Huzhou Sanjing Cryogenic Equipment Co., Ltd 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.
Huzhou Sanjing set up its own quality management system and passed many international certificate inspections. We have gained certificates such as ISO9001, ISO 14001, ISO 45001, CE certificate, etc. With a certificate Guarantee, Huzhou Sanjing strictly produce accords to the Chinese and European standard to organize the manufacture.
Zhejiang Great Wall Pump Industry Co., Ltd.
Founded in 1984 and located in Taizhou, it is a representative enterprise focusing on corrosion-resistant reciprocating pumps. It has unique advantages in the corrosion-resistant technology of flow-through components. For strong corrosive media such as sulfuric acid, nitric acid, and hydrochloric acid, it customizes matching materials. For example, it uses high-silicon cast iron for 98% concentrated sulfuric acid and Hastelloy C - 276 for concentrated nitric acid. Its products are widely used in chemical projects such as Sinopec Zhenhai Refining & Chemical and Shandong Liancheng Chemical, with a flow accuracy of ±1% and a 60% reduction in clogging rate compared with ordinary pumps.
Zhejiang Sanfang Pump Industry Co., Ltd.
A listed enterprise located in Wenzhou, it focuses on intelligent reciprocating metering pumps. Its core competitiveness lies in the intelligent control system of metering pumps. The PLC + touch screen system it developed can realize real-time flow monitoring and automatic adjustment, with a flow accuracy of ±0.3%. Customers can check the pump unit status through a mobile APP and set fault early warning thresholds. Its products are applied in the hydrogen chloride filling project in Yuan Qianjiang and the food-grade carbon dioxide project of Ningxia Tonghui Gas, and are well - received in the new energy field.
Zhejiang Lianda Pump Industry Co., Ltd.
Headquartered in Jinhua, it is a leader in high-pressure reciprocating pumps. It is good at developing high-pressure metering pumps with a design pressure of up to 300 bar. It adopts a triplex plunger + connecting rod rolling bearing structure to reduce flow pulsation, and uses low-speed operation (< 60 r/min) to avoid medium cavitation. Its products have been successfully applied in the Indian Aishwariya Oilfield polymer project and the Shaanxi Longhua Group high-pressure ammonia pump project, effectively solving the problem of stable flow in high-pressure scenarios.
Shanxi Zhongda Pump Co., Ltd.
It is a well-known comprehensive pump manufacturer in China, with strong strength in the production of reciprocating pumps such as slurry pumps and multi-stage reciprocating pumps. The company attaches great importance to technological research and development and quality control, and has invested heavily in improving the efficiency and reliability of products. Its reciprocating pumps are widely used in mining, water treatment, energy generation and other industries. With stable performance, they have established a good reputation in both domestic and international markets.
Shanghai Kaiquan Pump (Group) Co., Ltd.
As one of the largest pump manufacturers in China, it has a complete product line that also covers various reciprocating pumps adapted to industrial scenarios. The company has strong R & D strength, with 1200 engineering and technical personnel. It uses advanced fluid mechanics calculation and computer-aided design methods to optimize the structure of reciprocating pumps. Its products are applied in water supply and drainage of power plants, steel plants, chemical plants and other fields. It also has a perfect after-sales service network with a 4-hour rapid response mechanism.
Kunshan Kuobao Pump (Ziyi Electrical Engineering Co., Ltd.)
A well-known cross-strait joint venture pump manufacturer, its Kunshan base produces various chemical-resistant reciprocating pumps. Its product range includes horizontal, vertical and other types of reciprocating chemical pumps, which are made of PVDF and other corrosion-resistant materials. These pumps are widely used in the chemical and pharmaceutical fields to transport acid and alkali media, and have many branches and offices in the mainland, providing convenient technical support and after-sales service for customers.
Beijing Jingxi Pump Industry Co., Ltd.
It is a professional pump manufacturer with long-term experience in the R & D and production of reciprocating pumps. Its main products include piston pumps, plunger pumps and other reciprocating pumps. It has high precision in medium transmission and is especially suitable for the petroleum and natural gas exploitation industry. It can customize high-pressure reciprocating pump solutions according to the special working conditions of oilfields. Its products have the advantages of strong wear resistance and long service life, and are favored by many oilfield enterprises.
Wuxi Huayan Pump Industry Co., Ltd.
Focusing on the field of industrial reciprocating pumps, it specializes in the production of small and medium-sized reciprocating metering pumps and hydraulic reciprocating pumps. The products are characterized by compact structure and high cost performance. They are widely used in small and medium-sized chemical plants, water treatment equipment and other supporting fields. The company has optimized the production process to ensure the stability of product quality, and provides personalized customization services to meet the different flow and pressure requirements of customers.
Changsha Xiangtan Pump Industry Co., Ltd.
It is an enterprise with advantages in the field of special reciprocating pumps. It mainly produces reciprocating pumps for engineering machinery and construction fields. Its self-developed small reciprocating pumps can adapt to harsh construction environments, with strong anti-interference ability and convenient maintenance. These pumps are widely used in the supporting facilities of construction machinery such as road rollers and excavators, providing a stable lubricating oil and hydraulic oil transmission system for mechanical equipment, and occupying a certain market share in the construction machinery supporting market.