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 Zhejiang DunAn Valves Co., Ltd. was established in 1998, Shield Security Holding Group specializes in product development and manufacturing of valves, a valve industry group, owns Zhejiang Valve Co., Ltd Part DunAn factory, Zhejiang Jiang Huayi Machinery Co. company, Anhui Hongxing Valve Co., Ltd., Nantong Power Station Valve Co., Ltd. 4 business entities.

Our company has several varieties​  such as brass ball valve/ball valves for gas series/ball valves for water series/brass gate valves/ brass check valves/brass globa valves/brass heating series/radiator valve/thermostatic radiator valve/air vent valve/pressure reducing valve/boiler valve and fittings/brass mainfolds/brass strainers/brass fittings/DZR valve series/DZR gate valve/DZR check valve/DZR ball valve/Bronze valve/other series including cutting&welding accessories/water heater accessories/meter anaconda/flexible tubes​  and​  so​  on .Our company has certificate such as UL CSA CE KS cUPC WRAS DVGW Kiwa AGA ISO9001 ISO14000 EN331 BS5154​  and so on

DunAn Valves adhering to the "professional, efficient, trust, win-win" core concept of the brand, adhere to professional development strategy, establish a national laboratory recognized professional testing center, and led a number of drafting or revision of 10 categories of products valve national and industry standards, won 80 more national invention and utility model patents. China famous brand won the title of the valve industry in China ten famous brands.
DunAn Valves the full implementation of TPS production and ERP information management system to meet the needs of different industries targeted customers with professional products and services, efficient operations management, and strive for the industry, providing professional, reliable valves products and application solutions. Products cover high, medium and low pressure valves in the field, widely used in water supply and drainage, gas, urban heating, air conditioning, power stations, petroleum and petrochemical industries.
DunAn Valves in the development and growth will be accompanied by efforts to achieve with our customers, partners, employees and other stakeholders in a win-win!