About Us


Suzhou Xinwei Valve, established in 1997, covers an area of 42,000 m2 with building area of more than 26,000 m2. It has registered capital of 28 million Yuan. The company is located in Changshu Economic Development Zone. Changshu lies in the southeast of Jiangsu, and is renowned for its long culture and history, beautiful mountains and rivers, and plentiful products and resources in south of the Yangtze River. Changshu is also a county-level city with strong comprehensive strength, one of the county-level cities with the strongest economy in Mainland China, and among the top for county economy, culture, finance, commerce and shipping center in China.

Changshu has very convenient transportation. Arterial highways passing through the city are National Rd 204, Provincial Rd 205 and Provincial Rd 323. It is only 30 km from Suzhou Exit of Shanghai-Nanjing Expressway, 10 km from Exit of Suzhou-Jiaxing-Hangzhou Expressway, 5 km from Exit of Suzhou Beltway, and 40 km from Wuxi Exit.

Changshu is 32 km from Sunan Shuofang International Airport, 76 km from Shanghai Hongqiao International Airport, and 120 km from Shanghai Pudong International Airport.

Changshu now has 60 navigation channels, with navigable waterways of 533 km. On November 8, 1996, Changshu Port was authorized by the State Council to open for foreign ships. It is national first-class open port.

Since the establishment of Suzhou Xinwei Valve Co., Ltd., the company has been keeping the principles of “integrity service, continuous improvement, mutual benefit and win-win”, and won praise from clients at home and abroad, including some internationally-known multinational corporations, such as MiltonRoy Industrial Equipment, Circor Valve, Danieli, VIRGOR, Alteams, etc.

Main parts our company processes are accessories of valves and water pumps. Production workshops are divided into forging workshop, general lathe workshop, CNC lathe workshop, processing center workshop, Ni-P plating workshop, and quality testing room.

We have some advanced testing equipment in forging workshop, such as air hammer, band saw, die-forging hydraulic press 8000T, universal tester, low temperature shock tester, ultrasonic flaw detector, hardness tester, metallographic grinding and polishing machine, metallographic inlaying machine, metallographic cutter, direct-reading spectrometer, etc.

Process flows of forging are at first material blanking, then heating, then forging after heating, and at last testing for shipment. (Use pictures in PDF document for forging products)

Meanwhile, our company has advanced production, processing and testing equipment. General lathe workshop has 33 devices, CNC lathe workshop has 18 CNC lathes, processing center workshop has 16 processing centers, and quality testing room has a coordinate measuring machine and a Mitutoyo altimeter.

Main processing technologies for valves are at first general lathe processing, then going through CNC lathe, then processing center, and at last testing for shipment.

Main processing parts in our company are valve body, body adapter, ball, stem, pivot, top board ,trunnion plate, bonnet, pump head, pump cover, etc. (Use pictures in PDF document for valve products)

Our company is equipped with whole Ni-P plating equipment, mainly including 42 plating baths, sewage treatment and heat treatment equipment, polishing machine, thickness tester, acidity meter, etc.

Main processes of Ni-P plating are gas cleaning — alkaline water cleaning — acid washing — clear water washing — out of plating bath — heat treatment — polishing — testing.

We have a specialized R&D team, continuously researching and developing new products. As an excellent corporation, we have been acting in line with the operation principles of “quality, efficiency, win-win, and payback”. We inspect the size and material quality of raw materials, follow the tracks of complete production process, inspect the finished goods for shipment, and are devoted to improving quality management system. We successively passed ISO9001:2008 quality certification system. Strict quality requirements not only constantly improve the company, but also help the company gain recognition from numerous clients and peers.

Our company focuses on corporate culture. We endeavor to create favorable working environment. And after ten years of hard work, we have made great achievements in regard of valve accessories processing. We will continue our hard work to cope with new challenges and opportunities due to global economic integration.