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Various kinds of serial stainless steel valve, pipe fittings, and silk screen products that the co***ny produces adopt national standard GB , English and marking API , Japan to mark such standard production as JIS ,etc.The products that our co***ny deals in have passed U.S.A. international management system authentication committee, IMS sign, certificate, and international quality authentication of ISO9001. So, the co***ny has independent imports and exports right , and we have registered the and the ente...
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