Shenzhen HuanShiTong digital Tech development co., LTD. was established in 2002, member of China security association, is a China manufactureing company that specializes in the R&S and manufacture all kinds of high quality Stainless Steel Explosion proof camera and enclosures use in hazardous areas such as coal mine, marine,offshore, Oil&Gas and chemical industrial locations. it is one of few companies in China which has obtained CNAS explosion proof certification and MA certification for its explosion proof range of CCTV camera. a complete product line has been established including explosion proof camera,explosion proof IP(POE) camera, explosion proof PTZ camera, explosion proof high speed dome, half dome, Mini explosion proof camera, Mine optical explosion proof camera , zoom lens,WDR, ultralow illumination level explosion proof camera etc, enclosures such as explosion proof bracket explosion protected flexible conduits, junction boxes and so on. all products achieve national explosion-proof electrical supervision and inspection center, the highest level of certification. Involved in the service of petroleum, chemical, mining, aerospace, military industry, medicine and other industries, products footprints all over more than 30 countries and regions in the world. series product application covers the mixed gas explosion and dust explosion protection, coal mine gas explosion environment, carriage of dangerous goods,high temperature, corrosion environment etc. Company for the development of new products constantly, and long-term cooperation with the scientific research institutions,investment of r&d expenses exceed 10% of the turnover per year,, and provide perfect pre-sale and after-sale service system, try our best to provide customers with cost-effective quality products and considerate service.