Profile: Ningbo Sipol Electronics Co., Ltd. is a manufacturer of smoke detectors and fire blankets. We also offer valves such as solenoid and electronic valves. Our stand-alone gas detector series are designed to detect the leakage of flammable gas such as LPG and natural gas. The core components are high quality gas sensor. It can monitor the presence of flammable gas precisely, such as methane, propane, butane and hydrogen. We can provide gas alarm with solenoid valve, siren or interconnect function. We are an ISO 9001:2000 certified company.