Sanjing is a professional company that has been engaged in cryogenic technical research and manufacturing for about 20 years.
The company has a modern equipped manufacturing factory with perfect testing facilities and a team of 110 staff, 1/3 of whom are technical engineers.
The company mainly produces high-pressure L-CNG pumps, LNG submerged pumps, piston pumps, industrial gas cylinder filling pumps, cryogenic centrifugal pumps, ambient air vaporizers, and other customized pump skids.
By now, it's been nominated Chinese brand to offer solutions to many transnational gas companies, large steel mills, air separator unit manufacturers and some large natural gas companies.
Since the moment of its establishment, Sanjing has always been focusing on technical exploration and actively carrying out technical cooperation and interaction.
As a result, it has established systematic core technology for cryogenic pumps and owns over 30 patents which formed its core competitiveness in the cryogenic industry.
Sanjing's products are distributed all over the country and exported to over 30 countries including Europe, Southeast Asia, and other parts of the world with the aim of "making simple to its extreme".
Sanjing provides high-quality products to meet the interests of our customers.
Shanghai Kai Quan Pump (Group) Co., Ltd.
Key Features: Arguably China's largest centrifugal pump manufacturer. A powerhouse in large-scale engineering projects, including water conservancy, nuclear power (civil grade), mining, and municipal infrastructure. They offer an unparalleled range of single-stage, multi-stage, split-case, and boiler feed pumps, with massive R&D investment and full-scale testing facilities.
Shanghai East Pump (Group) Co., Ltd.
Key Features: A direct competitor to Kai Quan, known for robust and reliable products. They excel in industrial centrifugal pumps for HVAC, building services, water treatment, and firefighting systems. Strong in end-suction and split-case pumps, with a vast national sales and service network and significant export business.
Shimge Pump Industry Co., Ltd.
Key Features: A leading publicly-traded company (SHE: 002532) renowned for high-volume production and quality consistency. While strong in submersibles, their centrifugal line-especially household pressure boosting pumps, garden pumps, and light industrial end-suction pumps-is hugely popular globally for its cost-effectiveness, energy efficiency, and reliability.
Leo Group Co., Ltd.
Key Features: Another pump conglomerate (SHE: 002131) with a complete centrifugal portfolio. They are particularly strong in large-diameter axial flow and mixed-flow pumps for flood control, irrigation, and industrial circulation, as well as standardized chemical process pumps. Known for integrating digital monitoring solutions.
Wilo China (Wilo Pumps (China) Co., Ltd.)
Key Features: The Chinese arm of the German Wilo Group, representing premium European engineering with localized manufacturing. They are a market leader in high-efficiency, intelligent centrifugal pumps for HVAC systems, water supply, and pressure boosting in commercial and public buildings. Their pumps often feature IE5 permanent magnet motors and IoT connectivity.
Grundfos China (Grundfos Pumps (Shanghai) Co., Ltd.
Key Features: The Danish giant's major production and R&D base in China. Synonymous with top-tier energy efficiency, innovation, and smart pump solutions. They dominate in circulator pumps, in-line pumps, and advanced dosing pumps for building services and water treatment, setting the global benchmark for performance and intelligence.
Sundyne (China)
Key Features: A global leader in high-speed, integrally geared centrifugal pumps and compressors. Their Chinese operations cater to the most demanding petrochemical, oil & gas, and high-pressure process industries. They specialize in low-flow, high-head applications where reliability and precision are critical.
ITT Goulds Pumps (China)
Key Features: While ITT is a U.S. corporation, its substantial manufacturing presence in China is crucial. They are the undisputed experts in heavy-duty, API-610 compliant centrifugal pumps for the chemical, hydrocarbon, and mining sectors. Their VS4, OH2, and API process pumps are industry standards for harsh services.
Taizhou Pump Industry Cluster (Collective)
Key Features: Not a single company, but a critical regional hub (in Zhejiang) comprising hundreds of specialized manufacturers (e.g., Taizhou Daxin, Zhejiang Yixin). This cluster is the backbone of China's cost-competitive, small to medium-duty centrifugal pump supply, including self-priming pumps, chemical pumps, and peripheral equipment. Ideal for sourcing standardized pumps and OEM partnerships.
