Top 10 LNG Submerged Pump Manufacturers in China

Introduction to LNG Submerged Pump

LNG (Liquefied Natural Gas) submerged pumps are crucial components in the LNG industry. These pumps are designed to operate under extremely low - temperature conditions, typically around -162°C, which is the boiling point of LNG at atmospheric pressure. They are submerged in the LNG storage tank, and their main function is to transfer LNG from storage tanks to transportation vessels, regasification plants, or other usage points.

The design of LNG submerged pumps needs to meet high - level safety and performance requirements. They must be able to handle the cryogenic fluid without leakage, and have high efficiency to ensure the smooth operation of the entire LNG system. The materials used in these pumps are carefully selected to withstand the cold temperature and prevent brittleness. Moreover, they often feature advanced sealing technologies to avoid any potential LNG leakage, which could be extremely dangerous.

1. Huzhou Sanjing Cryogenic Equipment Co., Ltd

Huzhou Sanjing Cryogenic Equipment Co., Ltd is a well - known enterprise in the field of cryogenic equipment. It has been committed to the research, development, production, and sales of cryogenic pumps for many years. The company has a professional R & D team composed of experienced engineers and technicians. They are constantly exploring new technologies and improving product performance to meet the ever - changing market demands.

The company's production facilities are equipped with advanced manufacturing and testing equipment. This allows them to ensure the high quality and reliability of their LNG submerged pumps. They strictly follow international and domestic quality standards during the production process, from raw material inspection to the final product testing.

Features in LNG Submerged Pump:

High - efficiency design: Their LNG submerged pumps are designed with advanced hydraulic models, which can achieve high - flow and high - head performance with relatively low energy consumption. This helps customers save operating costs in the long run.
Excellent cold - resistance: The pumps are made of special cryogenic - resistant materials. These materials can maintain good mechanical properties at extremely low temperatures, ensuring the long - term stable operation of the pump in the LNG environment.
Advanced sealing technology: To prevent LNG leakage, Huzhou Sanjing uses advanced sealing structures and materials. The double - mechanical seal system provides a reliable seal, reducing the risk of safety accidents.

Advantages:

Customization ability: The company can provide customized LNG submerged pumps according to the specific requirements of different customers. Whether it is for a small - scale LNG filling station or a large - scale LNG terminal, they can design and produce suitable pumps.
After - sales service: Huzhou Sanjing offers comprehensive after - sales service. They have a professional after - sales team that can provide on - site installation guidance, maintenance, and repair services in a timely manner.
Industry experience: With years of experience in the cryogenic equipment industry, the company has a deep understanding of the market and customer needs. This experience allows them to continuously improve their products and services.

Website: https://www.sanjingpump.com/

2. Jiangsu Zhengguang Cryogenic Equipment Co., Ltd

Jiangsu Zhengguang Cryogenic Equipment Co., Ltd is a leading manufacturer in the cryogenic equipment field in China. The company has a large - scale production base with advanced production lines and testing equipment. It has established a complete quality management system, which ensures the high - quality production of its LNG submerged pumps.

The company focuses on technological innovation and has established long - term cooperation relationships with many scientific research institutions. Through these collaborations, they can introduce the latest scientific research achievements into product development, continuously improving the performance and quality of their products.

Features in LNG Submerged Pump:

Low - noise operation: The design of the pump structure and the selection of materials are optimized to reduce the noise generated during operation. This is especially important in some application scenarios where noise control is required, such as in urban LNG filling stations.
High - precision manufacturing: Jiangsu Zhengguang uses high - precision machining equipment to ensure the dimensional accuracy of pump components. This high - precision manufacturing helps to improve the overall performance and reliability of the pump.
Good anti - cavitation performance: The pump is designed with anti - cavitation technology, which can effectively prevent cavitation damage in the LNG transfer process. This extends the service life of the pump and reduces maintenance costs.

Advantages:

Cost - effective products: The company can provide high - quality LNG submerged pumps at a relatively competitive price. This is due to its large - scale production and efficient management, which can reduce production costs.
Fast delivery time: With a well - organized production process and inventory management system, Jiangsu Zhengguang can ensure fast delivery of products. This is very important for customers who need to start their projects on schedule.
Technical support: The company has a professional technical team that can provide technical support to customers at any time. Whether it is product selection, installation, or operation guidance, they can offer timely and accurate solutions.

3. Wuxi Xuelang Cryogenic Equipment Co., Ltd

Wuxi Xuelang Cryogenic Equipment Co., Ltd has a long - standing history in the cryogenic equipment manufacturing industry. It has a strong R & D and production capacity, and its products are widely used in various LNG application fields, including LNG storage, transportation, and utilization.

The company adheres to the concept of "quality first, customer - oriented". It has a strict quality control system, from the selection of raw materials to the final product inspection. Every link is carefully monitored to ensure that the products meet high - quality standards.

Features in LNG Submerged Pump:

Compact structure: The LNG submerged pumps of Wuxi Xuelang are designed with a compact structure, which saves space in the LNG storage tank. This is very suitable for applications where space is limited, such as in some small - sized LNG storage facilities.
Good corrosion resistance: The pump components are treated with special anti - corrosion coatings and materials. This can effectively resist the corrosion of LNG and other related media, ensuring the long - term stable operation of the pump.
High - speed operation ability: The pumps can operate at relatively high speeds, which can increase the LNG transfer efficiency. This is beneficial for large - scale LNG transfer operations.

Advantages:

Rich product portfolio: In addition to LNG submerged pumps, the company also produces a variety of other cryogenic equipment. This allows customers to purchase a complete set of cryogenic equipment from a single supplier, which simplifies the procurement process.
Quality reputation: Over the years, Wuxi Xuelang has established a good quality reputation in the industry. Its products are trusted by many customers at home and abroad, which is an important advantage in the market competition.
Continuous innovation: The company is committed to continuous innovation in product technology and design. It invests a lot of resources in R & D every year to improve the performance and quality of its products.

4. Hangzhou Oxygen Plant Group Co., Ltd

Hangzhou Oxygen Plant Group Co., Ltd is a large - scale state - owned enterprise with a long - standing history in the field of gas separation and cryogenic equipment manufacturing. It has a strong technical strength and a complete industrial chain. The company has a large number of professional R & D personnel and advanced production equipment.

The company is not only good at manufacturing LNG submerged pumps but also has a comprehensive understanding of the entire LNG system. It can provide overall solutions for LNG projects, including equipment selection, system design, and installation and commissioning.

Features in LNG Submerged Pump:

Integrated design: The LNG submerged pumps of Hangzhou Oxygen Plant Group are designed in an integrated way, which is closely coordinated with other components of the LNG system. This can improve the overall efficiency and stability of the system.
High - reliability operation: The company uses high - quality materials and advanced manufacturing processes to ensure the high - reliability operation of the pumps. The pumps have a long service life and low failure rate, reducing the maintenance and replacement costs for customers.
Intelligent control: The pumps are equipped with intelligent control systems, which can monitor the operating parameters of the pump in real - time, such as temperature, pressure, and flow rate. This allows for timely adjustment and troubleshooting, improving the safety and efficiency of the operation.

Advantages:

Strong R & D strength: As a large - scale enterprise, Hangzhou Oxygen Plant Group has a strong R & D team and sufficient R & D funds. It can continuously develop new products and technologies to meet the market demand.
Project experience: The company has rich experience in large - scale LNG projects. It has participated in many domestic and international LNG projects, which gives it a deep understanding of the project requirements and challenges.
Brand influence: The brand of Hangzhou Oxygen Plant Group has a high reputation in the industry. Its products are widely recognized for their quality and performance, which provides customers with a sense of security.

5. Nantong Shentong Cryogenic Equipment Co., Ltd

Nantong Shentong Cryogenic Equipment Co., Ltd is a professional manufacturer of cryogenic equipment. The company has a modern production base and a group of high - quality employees. It focuses on product quality and customer service, and has won the trust of many customers.

The company has a complete set of production and testing equipment, which can ensure the high - quality production of LNG submerged pumps. It also pays attention to environmental protection in the production process, using environmentally friendly materials and production processes.

Features in LNG Submerged Pump:

Easy maintenance: The design of the pump structure is optimized to make it easy to disassemble and assemble. This simplifies the maintenance process, reducing the maintenance time and cost for customers.
Good flow stability: The pumps are designed to ensure a stable flow of LNG during the transfer process. This is important for the normal operation of the LNG system, especially in some applications where a stable flow is required, such as in LNG power generation.
Thermal insulation performance: The pumps are equipped with good thermal insulation materials, which can reduce the heat transfer from the outside to the LNG inside the pump. This helps to maintain the low - temperature state of the LNG and improve the efficiency of the transfer process.

Advantages:

Localized service: The company can provide localized service to customers. It has a wide - spread service network, which can quickly respond to customer needs and provide on - site service.
Cost - control ability: Through effective cost - control measures in the production process, Nantong Shentong can offer LNG submerged pumps at a reasonable price without sacrificing product quality.
Customer - centric approach: The company always puts the needs of customers first. It listens to customer feedback and continuously improves its products and services to meet customer expectations.

6. Shanghai Jielong Cryogenic Equipment Co., Ltd

Shanghai Jielong Cryogenic Equipment Co., Ltd is located in the economically developed Shanghai area. It has access to advanced technological resources and a large number of professional talents. The company has a modern R & D and production base, and is committed to the development and production of high - quality LNG submerged pumps.

The company emphasizes technological innovation and product quality. It has established a strict quality management system and has obtained a series of international and domestic quality certifications.

Features in LNG Submerged Pump:

Advanced monitoring system: The LNG submerged pumps of Shanghai Jielong are equipped with an advanced monitoring system. This system can monitor the operating status of the pump in real - time and send out alarms in case of any abnormal situation. This helps to prevent potential safety accidents.
High - pressure resistance: The pumps are designed to withstand high - pressure conditions in the LNG transfer process. This is suitable for applications where high - pressure LNG transfer is required, such as in long - distance LNG transportation pipelines.
Low - vibration operation: The pump structure is designed to reduce vibration during operation. Low - vibration operation not only improves the stability of the pump but also reduces the noise and mechanical wear, extending the service life of the pump.

Advantages:

Geographical advantage: Being located in Shanghai, the company has convenient transportation and access to international markets. It can quickly respond to international customer needs and participate in international market competition.
Talent advantage: The company can attract a large number of high - quality professional talents from Shanghai and its surrounding areas. These talents bring advanced technologies and management concepts to the company, promoting the continuous development of the company.
R & D investment: Shanghai Jielong invests a large amount of funds in R & D every year. This investment helps the company to continuously introduce new products and improve the performance of existing products.

7. Shandong Zhongde Cryogenic Equipment Co., Ltd

Shandong Zhongde Cryogenic Equipment Co., Ltd is a rising star in the cryogenic equipment manufacturing industry. The company has a young and dynamic R & D and production team. It is committed to providing high - quality LNG submerged pumps with innovative design and advanced technology.

The company has a modern production workshop and advanced production equipment. It strictly follows the ISO quality management system in the production process to ensure the quality of its products.

Features in LNG Submerged Pump:

Modular design: The pumps are designed in a modular way, which makes it easy to install, replace, and upgrade components. This modular design also improves the flexibility of the pump in different application scenarios.
Energy - saving performance: Through the optimization of the pump design and the use of energy - saving motors, Shandong Zhongde's LNG submerged pumps can achieve good energy - saving effects. This helps customers reduce energy consumption and operating costs.
Good adaptability: The pumps can adapt to different LNG qualities and operating conditions. Whether it is for pure LNG or LNG with some impurities, the pumps can operate stably.

Advantages:

Innovative thinking: The young team of the company brings innovative thinking to product design and development. They are not limited by traditional concepts and are willing to explore new technologies and solutions.
Cost - effective products: The company can provide cost - effective LNG submerged pumps. It combines advanced technology with reasonable cost - control measures to offer products with high cost - performance ratios.
Customer - focused service: Shandong Zhongde pays great attention to customer service. It provides personalized service to customers according to their specific needs, which helps to establish long - term cooperative relationships with customers.

8. Guangdong Fuxin Cryogenic Technology Co., Ltd

Guangdong Fuxin Cryogenic Technology Co., Ltd is a high - tech enterprise focusing on cryogenic technology research and development and product manufacturing. The company has a strong R & D team composed of experts in the field of cryogenic technology. It has a number of independent intellectual property rights and patents.

The company's production base is equipped with advanced production and testing equipment. It adheres to the high - standard production process to ensure the high - quality production of LNG submerged pumps.

Features in LNG Submerged Pump:

High - precision measurement: The pumps are equipped with high - precision measurement devices, which can accurately measure the flow rate, pressure, and temperature of LNG during the transfer process. This accurate measurement is important for the control and management of the LNG system.
Anti - freezing design: The pumps are designed with anti - freezing measures to prevent the formation of ice in the pump and pipeline during operation. This is especially important in cold regions or in winter operation.
Remote control function: The LNG submerged pumps of Guangdong Fuxin can be remotely controlled. This allows operators to monitor and control the pump operation from a remote location, improving the convenience and safety of operation.

Advantages:

High - tech R & D strength: As a high - tech enterprise, the company has strong R & D strength in cryogenic technology. It can continuously introduce new technologies and products to the market, leading the development of the industry.
Intellectual property protection: The company's independent intellectual property rights and patents provide it with a competitive advantage in the market. It can protect its technological achievements and prevent others from imitation.
Industry influence: Guangdong Fuxin has a certain influence in the cryogenic equipment industry. Its products and technologies are recognized by many customers, which helps to expand its market share.

9. Tianjin Zhonghuan Cryogenic Equipment Co., Ltd

Tianjin Zhonghuan Cryogenic Equipment Co., Ltd is an established manufacturer in the cryogenic equipment field. The company has a long - term history of production and operation, and has accumulated rich experience in the production of LNG submerged pumps.

The company has a complete set of production and quality control systems. It uses high - quality raw materials and advanced manufacturing processes to ensure the high - quality production of its products.

Features in LNG Submerged Pump:

Stable performance: The LNG submerged pumps of Tianjin Zhonghuan have stable performance over a long - term operation. They can maintain a consistent flow rate and pressure, ensuring the normal operation of the LNG system.
Good compatibility: The pumps are designed to be compatible with different types of LNG storage tanks and transfer systems. This makes it easy for customers to integrate the pumps into their existing LNG systems.
Safety - first design: The company emphasizes safety in the pump design. The pumps are equipped with multiple safety protection devices, such as over - current protection, over - temperature protection, and leakage protection.

Advantages:

Industry experience: With many years of experience in the cryogenic equipment industry, the company has a deep understanding of the market and customer needs. This experience allows it to provide reliable products and services.
Quality assurance: The company's strict quality control system ensures the high quality of its products. It has passed a series of quality certifications, which gives customers confidence in its products.
After - sales service network: Tianjin Zhonghuan has a wide - spread after - sales service network. It can provide timely after - sales service to customers, including maintenance, repair, and spare parts supply.

10. Sichuan Hongda Cryogenic Equipment Co., Ltd

Sichuan Hongda Cryogenic Equipment Co., Ltd is a well - known manufacturer in the southwest region of China. The company has a large - scale production base and a professional R & D and production team. It is committed to the development and production of high - performance LNG submerged pumps.

The company focuses on product quality and technological innovation. It has established long - term cooperation relationships with many scientific research institutions and universities to introduce the latest scientific research achievements into product development.

Features in LNG Submerged Pump:

Efficient heat transfer design: The pumps are designed with an efficient heat transfer structure, which can quickly transfer the heat generated during operation to the outside. This helps to maintain the low - temperature state of the LNG and improve the efficiency of the pump.
High - strength structure: The pump body is made of high - strength materials, which can withstand the impact and vibration during the LNG transfer process. This ensures the long - term stable operation of the pump.
Self - priming function: The LNG submerged pumps of Sichuan Hongda have a self - priming function. This function simplifies the start - up process of the pump and makes it more convenient to use.

Advantages:

Regional advantage: Being located in Sichuan, the company has access to rich natural gas resources in the region. This allows it to have a better understanding of the LNG market in the southwest region and develop products that are more suitable for local needs.
Research cooperation: The company's cooperation with scientific research institutions and universities provides it with strong R & D support. It can continuously develop new products and improve the performance of existing products.
Customer - satisfaction service: Sichuan Hongda puts customer satisfaction at the top of its priority list. It provides high - quality pre - sales, in - sales, and after - sales services to ensure that customers are satisfied with its products and services.

Summary

The above - mentioned 10 LNG submerged pump manufacturers in China all have their own characteristics and advantages. Some companies, like Huzhou Sanjing Cryogenic Equipment Co., Ltd, have rich industry experience and strong customization ability; others, such as Shanghai Jielong Cryogenic Equipment Co., Ltd, benefit from geographical and talent advantages. These manufacturers play an important role in promoting the development of the LNG industry in China.

With the continuous growth of the global LNG market, the demand for high - quality LNG submerged pumps is also increasing. These Chinese manufacturers are constantly improving their product performance, quality, and service levels through technological innovation and management improvement. They are not only meeting the domestic market demand but also gradually expanding their influence in the international market. In the future, with the continuous progress of technology and the expansion of the market, these manufacturers are expected to achieve greater development and make more contributions to the global LNG industry.