Ningbo Dien Testing&Technology Service Co., Ltd. Is a professional testing and certification service company engaged in plumbing, sanitary ware, gas products, measuring instruments and water-related materials, etc. We have rich experience and strong technical strength in the field of product certification and testing services at home and abroad. It has close cooperation with many authoritative laboratories and testing institutions at home and abroad. The main certification marks and testing standards involved are NORTH American UPC, cUPC, NSF, lead-free, California CEC, WQA, UL, CSA certification. European WRAS, TMV, KTW-BWGL, DVGW, GSK, ACS, NF, CSTB, CE, RoHS, REACH certification; Australia WaterMark, Energy Efficiency label WELS Certification; And Saudi SABER, water efficiency, China water saving, water wade approval, CCC certification, Nordic four countries certification, measuring instrument product certification and so on. Since its establishment in 2012, adhering to the corporate philosophy of "God rewards the diligent, humanity rewards the good, business rewards the letter", the company has helped its products successfully enter the international market! We provide professional services, adhere to the customer first, prompt service, in place once to solve the enterprise product certification testing worries. The development and expansion of the company cannot be achieved without the support of customers. Since the beginning of the business, the company has accumulated rich technical experience in the field of certification, testing and consulting services, and established a good reputation for service. We hope that Dean can bring more abundant service content to more enterprises.