certification for QC (quality control )

I'm a green hand in the steel pipe trading .I have a singapore customer who lets me introduce our company's QC  and  any certification for QC. so I want to know how to introduce QC to my  customer .and anybody knows the certification for QC ,please tell me. Thanks for a million  !!!:)

Firstly, you may ask your colleague or your manage that if your company has any QC certification. Such as ISO9000 or ISO9001. It is issued by Authentication Center and you can find some information from that certification if you have. It looks:
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[[i] Last edited by mazy at 2008-5-9 23:24 [/i]]

thank you for million