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      2. WHY CHOOSE US

        Trust in our authority
        We had many professional inspections and certificates. We had passed inspections of CE, NSF, SCS, and get the certificates of ISO 9001, ISO 14001, OHSAS 18001, and WRAS, and so on

        Copyright:ZHEJIANG TIANYAN HOLDING CO.,LTD                                                                                                                                                                     浙ICP備13018336號          Power by: 300.