Shandong Keloni Metal Products Co., Ltd., established in 2009, is located in the beautiful Linyi, Shandong. It is a large-scale professional manufacturer.The company has production department, international business department, after-sales department, transportation department and other departments to serve customers with the most professional ability.Our company focuses on the production of co2 cartridges, aluminum cylinders, steel cylinders, and other gas containers, with CE, TPED, DOT, ISO12402 and other certificates, looking forward to cooperating with you