Qingdao Huaguan Valves Co., Ltd. is a professional manufacturer and exporter of valves. We are located in Qingdao of Shandong Province in China and were established in 1986. We mainly produce resilient seated gate valves, knife gate valves, butterfly valves, check valves and pipe fittings. The caliber range is from DN40 to DN1000mm and pressure rating is PN10/16/25. Our products are widely used in the fields of tap water, petrochemical industry, metallurgy, water and electricity. Our company is export-oriented and follows the standards of GB, AWWA, DIN, BS and SABS. We can make products...