Hebei Yangyong Pipeline Manufacturing Co, .ltd. is an API and ISO qualified enterprise that specialized in producing various seamless steel pipes and fittings since 1996. Our major products are carbon steel, stainless steel and alloy steel pipes and fittings such as elbows, tees, reducers, flanges, bends, socket and threaded fittings, seamless and welded tubes etc. We can produce in accordance with the standards such as GB, ASME, DIN; JIS etc. We can also develop new products according to customer&＃039;s designs and requirements. Our products are mainly used for petroleum, chemicals, power, gas, construction, heating and shipbuilding.