Anhui Sunval international Co., Ltd. Anhui Sunval International Co., Ltd. is a professional supplier of valves and piping systems. Our company focuses on iron valves, steel valves, copper alloy valves, pipes and related accessories etc. Our main products are gate valve (resilient seated or Metal seated), globe valve, check valve, ball valve, butterfly valve, air vent valve, strainer, control valves and pipe fittings with main material of cast iron, ductile iron, carbon steel, stainless steel and copper alloy. The pressure rating is 0.6Mpa - 150.0Mpa and size range is DN15-DN2400 . The valves are designed and manufactured in accordance with the standards of GB, ANSI, API, DIN, BS, JIS and widely used for water, oil and gas industries. We have obtained certificates of ISO9001, CE, WRAS etc.. Sunval has been selling to 40 countries in Asia, Europe, America and Africa.