The registration address of chandali welding materials ltd., shenzhen city, is located at no. 19 of the new community of the new community, located on the street of yonghua, shenzhen city. The registration authority is the longhua superintendence of the shenzhen market supervisory authority, represented by a legal person, liao jinji, and operates on the sale of welding materials and hardware accessories. Oxygen, americium, carbon dioxide, nitrogen, oxygen, acetylene, americium, nitrogen, carbon dioxide, liquid oxygen, liquid aluminum, liquid nitrogen, mixed gas, hydrogen, helium, air, sulphur hexafluoride, methane, propane, butane。