We CHINA YOY VALVE GROUP possesses 24 years` experience mainly in design, manufacture, sale on API ANSI DIN GB Standards Cast Steel and Stainless Steel safety valve、butterfly valve、gate valve、globe valve、check valve、ball valve、forged steel valve.,which are widely applicable to the fields of military、water supplying、petroleum、chemical industry、metallurgy, machinery, power industry.The exported countries include Iran,UAE,Saudi Arabia,Turkey,Russia,Ukraine,Kazakstan,Germany,India,Vietnam and ect.And our YOY is a Chinese Famous Brand.The certificates we have got are API 6D,CE,ISO9001-2000 As an experienced supplier of our kind, we are committed to providing our customers with the highest quality products, best service, and most competitive price. Adhering to the principle of credit and honesty, we will serve all the customers with our whole heart. We look forward to our cooperation and visit in the near future. If you have any questions or suggestions, please do not hesitate to contact us.