Jinan HeChuang Mechanical Manufacturing Co., Ltd.
Grooved+Threaded Steel Pipe Nipples,Male Threaded Pipe Nipple,Grooved Black Steel Pipe Fitting
We are nipple manufactures and we are specifilized in NPT threads.Surface includes black and galvanizing. We have sch.40, sch.80, XXH standards products, including pipe nipples, mercant coupling(steel coupling), Plug, pipe nipples with grooved ends. We have ISO9001 certificate. The enterprise's production slogan: details decide success, innovation decides brilliant s