Hangzhou Chunjiang Valve Corporation
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China South Investment Group
🇨🇳 China
1989301-500 peopleManufacturer/Trading Company/Service CompanyEstablished brand
OEM manufacturer
High-tech enterprise
Description
China South Investment Group is a multisectoral international corporation headquartered in Hangzhou, China, with a significant presence in the Wenzhou Dongou Industry Zone. Established in 1989 and reorganized as a group in 2000, the company has grown into a diversified enterprise employing between 301 and 500 people, with over 20% of its workforce dedicated to technical roles. The group operates as a manufacturer, trading company, and service provider, managing specialized subsidiaries such as South Valve Manufacture Co., Ltd. and South Environmental Protection Engineering Co., Ltd.
The company's core industrial focus is the production of high-performance valves and machinery. Its extensive product portfolio includes ultra-supercritical valves, flushing pipe valves, hydraulic test valves, extraction check valves, and various butterfly valves, as well as vacuum pumps and high-temperature/high-pressure trap valves. These products serve critical sectors including power stations, petroleum, and chemical engineering. Beyond traditional manufacturing, the group is heavily involved in environmental protection technologies, specifically flue gas desulfurization, nitrogen oxide denitration, and water treatment systems. China South Investment Group leverages its manufacturing facilities and technical expertise to provide OEM services and international trade solutions, maintaining a competitive edge through the integration of production, research, and modern management practices.
Ultra Super Critical Valve (NF-005)
Flushing Pipe Valves (NF-017)
Hydraulic Test Valve (NF-015)
Sanitary Butterfly Valve (NF-020)
Vacuum Pump (NF-008)
High Temperature and High Pressure Trap Valve (NF-019)
Petroleum / Chemical Valve (NF-009)
Petroleum & Chemical Valve (NF-016)
Low Temperature Valve (NF-007)
Butterfly Valve (NF-018)
Water Seal Valve (NF -011)
Ultra Super Critical Valve (NF-003)
Yongjia Sanjing Valves Co., Ltd.
🇨🇳 China
2007101-200 peopleManufacturer/Service CompanyOwn brand
Product customization
Low MOQ
Key market
North America
Description
Yongjia Sanjing Valves Co., Ltd. is a specialized manufacturer and service provider of industrial valves, integrating development, production, installation, sales, and service. Based in Wenzhou, China, the company operates a factory and employs between 101 and 200 people, with an annual revenue ranging from US$1 Million to US$2.5 Million. Established in 2007, they are certified with ISO 9001, ensuring high-quality manufacturing standards. Yongjia Sanjing Valves specializes in a comprehensive range of "SANJING" brand valves, including gate valves, globe valves, check valves, ball valves, safety valves, reducing valves, butterfly valves, trap valves, plunger valves, plug valves, hydraulic control valves, solenoid valves, pintle valves, and adjusting valves. Their products are designed to meet diverse industrial needs, with nominal diameters from 6mm to 2000mm, nominal pressures from 0.1Mpa to 60Mpa, and operating temperatures from -196℃ to 1300℃. They utilize main materials such as WCB, WC6, WC9, 2GCr5Mo, and 2G1. The company's valves are widely applied in sectors such as petroleum, chemical, metallurgical, power, fuel gas, and city pipeline networks. Yongjia Sanjing Valves is committed to continuous innovation, applying new techniques and materials to develop advanced products and provide excellent after-sales service, offering contract manufacturing services.
Y-Pattern Piston Check Valve
Pressure-Seal Piston Check Valve
Forged Steel Globe Valve
Forged Steel Cryogenic Ball Valve
Forged Steel Ball Valve
Forged Steel Bellow Sealed Valve
Piston Check Valve
Flanged End Pressure Seal Globe Valve
