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ABOUT US
Shanghai quanhang Valve Manufacturing Co., Ltd. is located in Shanghai, the economic center of China. It is located in Jinshan District of Shanghai with convenient transportation. It is specialized in the production and sales of valves. It is a high-quality manufacturer of special valves in Shanghai. At present, it has built a large steel structure workshop and several advanced production lines, which can produce and supply hundreds of valve products, including special valves, ball valves, butterfly valves, valves, globe valves, control valves, balance valves, control valves, pneumatic and electric valves, safety valves and other products.
Shanghai quanhang Valve Manufacturing Co., Ltd. has been paying attention to product quality assurance, from the beginning of production to the factory, the whole process of quality monitoring, strict testing links...


NEWS CENTER
Jidong Oilfield Develops a New Type of Filter Core Carbonization Cleaning Device to Reduce Costs and Increase Efficiency
On October 22nd, at the Laoyema Joint Station of the Oil and Gas Gathering and Transportation Company of Jidong Oilfield, employees used a newly developed carbonization cleaning device for filter cores to clean the filter cores. The cleaning process was both convenient and environmentally friendly. In the oil and gas gathering and transportation production system, the filter cores, which are the core components of the filters, are prone to being clogged by impurities such as cr
2025-10-24-

NEWS CENTER
Analysis of Key Technical Aspects in Valve Applications for Natural Gas Pipelines
In natural gas transmission and distribution systems, valves are the core components of fluid control, and their selection, installation, and maintenance directly affect the safety, continuity, and regulatory compliance of the system. Natural gas itself has characteristics such as flammability, explosiveness, and easy leakage, so it is necessary to strictly follow engineering specifications and safety standards during the use of valves, especially in long-distance pipelines, high-pressure con
2025-10-18-
Chemical industry
The chemical industry is a large polluter because of its various types, complex processes, and diverse products, and the types, quantities and toxicity of pollutants discharged during production.
Oil and gas
With the increasing demand for oil and gas products around the world and the depletion of oil and gas resources, the collection, transportation and processing technology and requirements of oil and gas products become increasingly complex, costly and face more and more personalized technical requirements
Pharmaceutical industry
Pharmaceutical industry is an important part of China's national economy. It is a combination of traditional industry and modern industry, and one, two and three industries are integrated.
Metallurgical Industry
The valve used in iron metallurgy industry has strict working condition, poor sealing performance of valve, wear problem in production engineering causes pipeline aging and valve damage, which needs frequent maintenance and treatment. Therefore, due to the problems of short service life and high maintenance frequency of valve, it causes long shutdown time
Water treatment industry
The basic situation of water treatment industry, water resources is an important resource for human survival and social development. With the rapid development of China's economy, urbanization and industrialization process
Electric power industry
Electric power is a kind of energy which is powered by electric energy.Invented in the 1870s, the invention and application of electricity set off the second wave of industrialization