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Generally every bach the material you buy, the supplier should attach a certification of the material to be the only certificate that the material is ok. In the paper some test conclusion and curve and specification will be included.
If not, you can get it through your purchasing member or sometimes you can get it on the internet site of the supplier.
If I audit your company as the customer auditor, the certification is must. Through it, I can know how your management capacity on your supplier is. And then your management capacity of all your system.
If not, you can get it through your purchasing member or sometimes you can get it on the internet site of the supplier.
If I audit your company as the customer auditor, the certification is must. Through it, I can know how your management capacity on your supplier is. And then your management capacity of all your system.
