On September 14, 2015, Langfang Tulshi Gas Technology Co., Ltd. was formally established, with gas technology development and promotion, gas equipment sales and maintenance as the main business, closely related to the gas industry, the main component of natural gas methane, as well as a certain amount of ethane and ethane and other flammable gases, gas leakage consequences will be unimaginable. The company provides a professional combustible gas detector to eliminate the serious consequences caused by gas leakage, so that safety is always with you.