Changzhou Zuo An Electric Co., Ltd. was established in March 2006, located in the Yangtze River Delta manufacturing base in China, Changzhou City, Jiangsu Province Development Zone, specializing in industrial research and development of special surveillance products and production. Continue to unveil new products to lead the industry forward. Breakthrough in the industry has many problems, in special monitoring of the industry has achieved outstanding results. Designed and developed by Changzhou Zuo An explosion-proof camera device, explosion-proof Controller, explosion-proof monitors and other products widely used in petroleum, chemical industry, natural gas, coal mine explosion-proof these requirements, anti-heat, anti-low temperature, dust-proof, waterproof , anti-corrosion, anti-vibration, anti-magnetic, anti-lightning and other high-risk harsh environments. Explosion-proof series products are divided into class &＃8544; and &＃8545;, with a complete "test report", "Explosion-proof certificate" and "production license." Class &＃8544; products are mainly used in coal mine explosion-proof monitoring of the deep underground base stations, on-site face, etc.; &＃8545; type of gas are explosion-proof series of class to reach C grade (the highest level of explosion-proof), covers all the explosion site. Companies, apart from explosion-proof series surveillance products, but also for industrial monitoring of different on-site development of the different special monitoring equipment. For example: corrosion control products, temperature monitoring products, diving monitoring of other industrial products, and customized special monitoring equipment.