TONGLI fully welded ball valves

TONGLI.Founded in 2005 and located in the Siying Development Zone of Botou City, Hebei Province, TONGLI is a specialized enterprise dedicated to the research, development, and manufacturing of heating valves, with an annual production capacity of 300,000 units. The company’s product line comprehensively addresses the needs for shutoff, filtration, regulation, and pipeline network balancing in the heating sector, primarily including fully welded ball valves, fully welded filters, fully welded differential pressure valves, fully welded thermal inlet energy-saving devices, self-operated flow control valves, and self-operated differential pressure valves. The company continuously adopts new technologies, processes, and materials, dedicating itself to the development of high-quality, high-performance valve products. It transforms advanced scientific and technological achievements into tangible energy-saving equipment, actively serving society and contributing to energy conservation, emissions reduction, and intelligent upgrades in China’s heating industry. Through its deep expertise and innovation in the heating valve sector, TONGLI has become one of the most trusted suppliers in the industry.