The registration address of the industrial gas plant of kay fung industrial development co. Ltd. In shenzhen city is located on the 1st floor of the 8th floor of the qai fung gas station, 8th street of yonghua district, shenzhen city. The registration authority is the long wah control department of the shenzhen market supervisory authority, represented by a legal person representing luo guo guangwu, and operates in the context of a general operating project: sale and installation of plumbing meters (updoor installation). Licensing projects: hydrogen [compressed] (21001), acetylene [solved in media] (21024), oxygen [compressed] (22001), oxygen [liqueted] (22002), nitrogen [compressed] (22005), nitrogen [liqued] (2006), helium [compressed] (22007), americium [compressed] (22011), acetium [liqued] (2012), carbon dioxide [compressed] (22019), carbon dioxide [liquidated] (2220), rare gases and oxygen mixtures (22027), rare gases and nitrogen mixtures (22028), and other varieties are stored。