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Company Profile

  Shanghai Valve No.2 Factory Co., Ltd. (formerly Shanghai Valve No.2 factory) was founded in 1935, with a history of more than 80 years. It is the first enterprise specialized in developing high, medium and low pressure and vacuum valves in China. The company has won the titles of national second-class enterprise, advanced enterprise of Shanghai, civilized unit of Shanghai Electric (Group) Corporation, etc. and has been rated as the "contract abiding and credit abiding" unit of Shanghai for 22 consecutive years. The company is now a member of the valve branch of China General Machinery Industry Association, a director member of China vacuum Association, a centralized procurement supplier organized by Sinopec headquarters, a first-class supply network unit of CNPC, a network member of "energy No.1" of CNPC, and a member of China national power grid
  
  Our company has 378 employees, 82 professional and technical personnel, including 9 senior engineers. It has the ability to design and manufacture all kinds of valves. In 1990, our factory successfully developed valve products for Beijing electron positron collider project, a key project of our country, and was awarded the "first prize of national major technical equipment achievement" by the State Council and the inscription of Premier Li Peng: strive for the localization of major scientific and technological equipment!
  
  Our company's product registered trademark "zhongzi brand" is a famous brand in the valve industry. The main products of our company are: gate valve, butterfly valve, stop valve, ball valve, check valve, plunger valve, plug valve, diaphragm valve, regulating valve, balance valve and hydraulic control valve series. The driving device has manual, electric, pneumatic and other modes. The valve caliber is from 6mm-4000mm, the pressure rating is from 0.1mpa-32mpa, the API valve caliber is from 1 / 4 "to 40", and the pressure rating is from 150Lb to 2500lb. Valve operating temperature - 700C ≤ 5400c. The main materials of the valve are copper, cast iron, carbon steel, alloy steel and stainless steel. Applicable media are oil, water, steam and natural gas. Products are widely used in petrochemical, chemical fertilizer, steel, power plants, oil fields, urban gas, construction, paper, fire and other industries.
  
  The company's vacuum valve products include vacuum solenoid valve, vacuum butterfly valve, vacuum diaphragm valve, vacuum flapper valve, vacuum ball valve, vacuum fine tuning valve, vacuum regulating valve, ultra-high vacuum flapper valve, ultra-high vacuum flapper valve, etc. the driving forms are manual, pneumatic, electric and electromagnetic. The valve diameter is from 0.8 to 1200mm, the valve leakage rate is from 6.7 × 10-2 to 1.3 × 10-7pa. L / s, and the applicable temperature range is - 3 The products are widely used in aerospace, electronics, machinery, medicine, refrigeration, energy, environmental protection, food, scientific research and other fields.
  
  Our company successfully passed the ISO9001 international quality system certification in 1998, the ISO9001:2000 international quality system revision certification in 2002, and the national pressure vessel safety registration (AZ) certification of the National Bureau of quality and technical supervision in 2002. In 2006, it passed the certification of special equipment production license (TS) issued by the State Bureau of quality and technical supervision. In the past decades, zhongzi valve has always paid close attention to the improvement of product quality. In the process from raw materials to finished products, it tracks and monitors the processing of each part, and conducts water and air tight seal pressure test on each ex factory product. The products have stable performance and reliable quality, and have won the Golden Dragon Award for national new products and the achievement award for scientific and technological development of new products of the Ministry and the city for many times. In 2006, our company was rated as "national product quality qualified enterprise" by "China Quality Wanlixing" and "China famous brand" by China quality brand association. In 2005, the enterprise system reform was successfully completed. After the reform of the enterprise, more attention will be paid to the product quality management, so that the quality of Zhongzi brand valves will be improved.
  
  Our company always takes "quality first, user first" as the tenet, constantly improves the service level, and develops new products according to the needs of customers. Products of high quality, timely delivery, thoughtful service, fully meet the needs of users, is the image of Zhongzi valve. We sincerely welcome domestic and foreign customers to our company to discuss business and seek win-win way.
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