Hangzhou Qianshun Materials Co., Ltd. is located in Hangzhou, Zhejiang, China and is specialized in manufacturing flanges, elbows, seals, ball valves and stainless steel tubes. With an experienced and professional team, we have exported our products to many countries and regions all over the world. Our products enjoy great popularity among our customers. We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.