2026-Zhejiang Qinggong Valve Co., Ltd.

The company is a key enterprise specializing in the production of standard, American, Japanese and non-standard types of wafer check valves, bottom valves, and discharge valves. The company possesses strong technical capabilities and advanced production processes, as well as a complete quality assurance system. It is a valve manufacturing enterprise integrating research, design, sales, and after-sales services. Our company mainly produces H76, H77, H71, H72, H74, H46 series wafer check valves, with nominal diameters ranging from DN15 to 1200mm, and from 1/2" to 84". The nominal pressure ranges from 1.0 MPa to 42.0 MPa, and from 150 Lb to 2500 Lb. The temperature ranges from -196 to 540℃. The materials include cast iron, carbon steel, stainless steel (304, 316, 316L), duplex steel, chromium-molybdenum steel, aluminum-copper alloy, etc. These valves are widely used in industries such as power, water supply, heating, chemical engineering, fertilizer, oil refining, metallurgy, papermaking, medicine, brewing, construction, etc., and are highly trusted and praised by customers. Our company has always adhered to the business philosophy of "people-oriented" and "technology-leading", and has been pioneering and pursuing excellence. The "young workers" of our company are following the trend of the new era and climbing to the peak of the industry, striving to build a modern enterprise. We sincerely welcome new and old customers to join hands and create brilliance together.