Xi'an extinguishers carbon dioxide fire extinguisher, fire extinguisher 1211 to mid-19th century, French doctors Jiali Ai invented a portable chemical fire extinguisher. The sodium bicarbonate and water are mixed in the cylinder, the other with a glass container of sulfuric acid contained within bunghole. Xi'an fire extinguishers, the nameplate should have the following elements: the name of the maintenance unit; must be ventilated to prevent suffocation after use powder fire extinguisher | Xian extinguishers | fire-fighting equipment from Shaanxi JW Fire Equipment Co., Ltd. Shaanxi Jiwei. Shaanxi Jiwei Fire Equipment Co. (www.jiweixiaofang.com) (www.jiweixiaofang.com) strong, credible, in other industries, Xi'an has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Shaanxi JW firefighting equipment into the brilliant and you work for a better future!