腾树检测合作实验室具备 CMA/CNAS 双重资质,可依据 ISO21809-3:2016/Amd1:2020(E) 提供全项检测服务
腾树检测可依据 ISO21809-3:2016/Amd1:2020(E)《石油天然气工业-埋地或水下输送系统外涂层-第3部分:补口涂层Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems - Part 3: Field joint coatings - Amendment 1: Introduction of mesh-backed coating systems》提供专业的第三方检测服务: