腾树检测合作实验室具备 CMA/CNAS 双重资质,可依据 ISO898-1:2013 提供全项检测服务
腾树检测可依据 ISO898-1:2013《碳钢和合金钢制造的紧固件机械性能第1部分:规定性能等级的螺栓、螺钉和螺柱粗牙螺纹和细牙螺纹Mechanical properties of fasteners made of carbon steel and alloy steel - Part 1: Bolts, screws and studs with specified property classes - Coarse thread and fine pitch thread (ISO 898- 1:2013)》提供专业的第三方检测服务: