Ningjin Lianggong Valve Technology Co., Ltd. is a scientific and technological enterprise integrating product R & D, casting, processing and assembly of valves as the leading products, science, industry and trade. It has three production lines for domestic products, export products and special products for air conditioning and refrigeration; The company has complete organizational structure, with R & D department, production department, technology department, quality inspection department, sales department and other departments, equipped with physical and chemical laboratories, and perfect product testing means to provide the best quality products to the majority of users. Located in the northern New Area of Ningjin County, Hebei Province,

the company's main products include: various butterfly valve series, special butterfly valve for central air conditioning, high-performance butterfly valve, special check valve for central air conditioning, gate valve, globe valve, ball valve, copper valve, aluminum alloy valve, stainless steel valve, FRP butterfly valve, rubber joint, etc. there are more than 10 series and more than 500 specifications. Has a number of valve patent technology

we are engaged in the maintenance business of various valves. With the accumulation of long-term experience, we have specially established a maintenance team according to different customers and products. Our company has engineers specializing in valve research for more than 30 years, has cutting-edge valve technology, world-class maintenance equipment and rich valve maintenance experience, and can repair all kinds of valves, Large imported desulfurization butterfly valve is our strength. Due to the relatively high price of imported valves, reliable maintenance technology can save a lot of money for enterprises. With professional maintenance technical team, rigorous management and advanced equipment, our company focuses on the refinement of valves and serves customers

The company's products are widely used in petrochemical, hydropower, construction, refrigeration, heating, medicine, municipal water supply, metallurgy, environmental protection and waste gas treatment And exported to the United States, Canada, Germany, Italy, Spain, Brazil, Taiwan and other countries and regions