Anhui FlowCom manufactures ductile-iron wafer and grooved butterfly valves with integral supervisory switches for sprinkler and hydrant systems, from a plant in the Hanshan County development zone at Ma’anshan, with a sales office in Shanghai. Its normally-open VBW12121H and normally-closed VBW12C121H valves hold LPCB certificate 1908a to LPS 1185 Issue 3.2 at sixteen bar working pressure. It is one of only a handful of Chinese holders of an LPS 1185 stop-valve certificate.