腾树检测合作实验室具备 CMA/CNAS 双重资质,可依据 ISO10484:1997 提供全项检测服务
腾树检测可依据 ISO10484:1997《紧固件机械性能螺母扩孔试验This International Standard specifies the test procedure for evaluating the acceptability of surface discontinuities designated in ISO 6157-2 Widening test on nuts》提供专业的第三方检测服务: