HANGZHOU TASEN INTERNATIONAL TRADING CO., LTD. is a professional industrial and trading valve manufacturer based in hangzhou, with a production base in yuhuan, china’s famous valve industrial cluster. we integrate independent casting and valve processing, offering over 200 types of copper, steel and iron valves, marine valves, water faucets and pipe fittings. supported by strong oem & odm customization capacity, we provide reliable quality products and professional services for global clients.