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    1. QUALIFICATION HONOR

      OUR HONOR /QUALIFICATION CERTIFICATE
        The company strictly implement the ISO9001-2000 quality management system, strengthen quality control, through the establishment of quality control points, all staff participation, to focus on the key process management control. Technical and QC departments strictly enforce the process initial inspection, routing inspection and final inspection, resolutely prevent unqualified products go outside of factory. Fruitful achievement wrote our success and pride, our products have obtained numerous awards: Obtain Integrity unit of provinces and cities for three consecutive years, Tenglong enterprises of Liaoning Province, high chrome casting was rated as Chaoyang City famous products, our high manganese steel casting obtained "Liaoning Province Famous Products", and others .
      OUR HONOR
      QUALIFICATION CERTIFICATE
      • Contact us
      • Add:Taohuatu Town Shuangta District Chaoyang City
      • Tel:+86-421-5703588    
      • Fax:0421-5703728
      • E-mail:sales@dyhjcn.com

      Sweeping attention to mobile terminal site
      Copyright:Chao Yang Duo Yuan Alloy Casting Co.,Ltd   ICP filing number:遼ICP備2022008576號-1
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