Beijing Shan&＃039;er Pipes Control Components Co., Ltd is a hi-tech comprehensive company in studying , developing, manufacturing, marketing and consulation. Beijing Shan'er Pipes Control Components C... is a professional manufacturer of various valves in Beijing, China. The products range from centerline butterfly valves, eccentric butterfly valves, check valve, ball valves, and Y-strainer , which are developed by our company Chinese patent of invention. We have applied for and gained more than 10 patents. We will provide the customers with the best products and service.