Copyright©Hangzhou Liang Sheng Electric Co., Ltd.

Powered by 浙ICP备11039022号-1      

Company profile




Hangzhou Liang Sheng Electric Co., Ltd.


  Located on the Bank of Fuchun River with beautiful scenery, Gaoqiao Industrial Park, a national economic development zone, covers an area of more than 50,000 square meters. Factory history 18th anniversary.


The company is a professional enterprise that produces automatic control valves. It was founded in 1996 and restructured in 2004 with more than 180 employees and registered capital of58 million yuan. It is a state-level key high-tech enterprise. The company has strong technical force, excellent mechanical processing equipment, advanced production technology, and perfect testing facilities and after-sales service. And successively passed the ISO9001 international quality standard system certification, the European Union industrial process control valve CE certification, the People's Republic of China pressure pipeline components - control valve A certification, German TUV certification. First-class supplier of China Petrochemical Co., Ltd., China Nuclear Power Engineering Co., Ltd., China Nuclear Industry 23 Construction Co., Ltd., China Nuclear Group - China Central Plains Foreign Engineering Co., Ltd. qualified supplier. JB / T7387 is the main drafting unit for the revision of the standard of "Electric Control Valves for Industrial Process Control Systems". The product quality is safe and reliable.


At present, the company has more than 60 sets of finishing equipments, such as machining center, CNC lathe, CNC grinding machine, CNC boring machine, and more than 100 sets of conventional (turning, milling, planer, grinding, drilling, punching, wire cutting) metal processing equipments, and more than 20 sets of testing equipments, ranging from material analysis, physical and chemical and X-ray, magnetic powder, ultrasonic flaw detection to the form of control valve. A series of tests have been carried out on the test items, such as sheet metal and welding equipment are complete, excellent processing equipment, strict testing process, greatly ensuring the quality of products.


The main products are:


  Steam turbine special seal device, hydrogen cooling device and other auxiliary power station equipment.


Self operated pressure regulating valve (pressure, temperature, flow rate, differential pressure, nitrogen sealing valve);


Pneumatic and electric ball valves (O, V, segmented)


Gas, electric straight through valve (Globe) (single seat, sleeve, cage, three, two seater)


Pneumatic and electric butterfly valves (low load, double eccentricity, three eccentricity)



The company focuses on product development and development, the introduction of German company design drawings and design software, constantly tapping the internal potential, we focus on the cutting-edge customer market, also pay great attention to product pre-sales technical guidance and after-sales service, pay attention to product details in all aspects, while digesting and absorbing advanced technology and technology. Products are widely used in crude oil extraction, natural gas transmission, thermal power generation, nuclear power, bio-pharmaceutical, oil refining, chemical, metallurgical, air separation, papermaking, textile, food brewing, refrigeration, pharmaceutical, water supply and drainage industries in the automatic control system. "Production - flow products, to create a first-class management level, to meet customer requirements," this is the "good work" commitment.


We are committed to advanced technology and quality products to help you reduce energy consumption and labor intensity; enhance safety performance; provide a comfortable environment.