... house inspection 4. Quickly deliever time. 5. high quality pipe fitting is ued for nuclear power, power plants, LNG, ... , Natural Gas & Petroleum Industries; Chemical & Fertilizer Industries etc.1) Pipe Fitting: Seamless and Welded2) Size: 1/2" - 72"3) Material ... SH, HG,QOST,ETC.certification:ISO9001:2008 , API , ASME,CE, HSEApplications range: Petroleum, chemical, power, gas, metallurgy, shipbuilding. ...