BEIJING DEPENDABLE TECHNOLOGY & SCIENCE DEVELOPMENT Co., Ltd. was set up in 1995. It is a high and new technology enterprise integrated with science development, production and trade. The company have been attracting for the intelligent technical persons. There are more than 60% employees of 70 staff were gotten bachelor or master certifications.

The main products are family series and industry series combustible gas detector, alarm controller and toxic gas alarm device, used in petrochemical industry, chemistry industry, metallurgy, medicine, fire fighting, storage and transportation fields. The family series products including ceiling/wall mounting combustible gas detector are specially designed for high-grade apartment, hotel etc.

The products have identified by "China Supervision and test center of electric products quality for fire fighting", "China Supervision and test center of explosion-proof quality for chemical industry electric products" and "China Supervision Bureau of Technology Standards" as well as acquired certification of 3C by China Certification Center for Fire Products, Ministry of Public Security and ISO9001: 2000.