substance compliance test results ??
在加拿大 我们是做箱包的,客户问一款电脑包 Do you have substance compliance test results for materials used in 65214 (这个数字是我们产品型号) 请教各位,客户到底是要什么呢? 谢谢!!!!!!!! 评...华人论坛
在加拿大 我们是做箱包的,客户问一款电脑包 Do you have substance compliance test results for materials used in 65214 (这个数字是我们产品型号) 请教各位,客户到底是要什么呢? 谢谢!!!!!!!! 评...华人论坛
在加拿大 A distinct substance made of two or more elements according to a proportion determined by weight. Its composition is expressed by means of a chemical formula, which lists the various elements present as well as the relative number of each el...华人论坛