1. API 5L, ISO 9001, ISO14001, OHSAS 18001, CE PED certification ... for oil, gas, nature gas, water and other high pressure pipe lines for onshore projects, offshore projects, chemical ... ISO14001, OHSAS 18001.2. Material grade: API 5L Gr.B-X80.3. Standard: API Spec 5L, GB9711.1-97(Chinese)4. Specification ... .minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Jianlong API Pipe