Since 2009, TENENG has been develop and manufacture various types of machinery. Included carbon steel tube mill, Galvanized steel pipe production line, M.S. pipe mill, Directly forming square machine, Aluminum tube making machine, API & GAS Pipe production machine, Cold roll forming line, slitting & cut-to-length line, PV solar pipes pipe mill, High-speed guardrail panels machine etc. ERW carbon steel pipe mill is the special equipment producing welded steel pipe and profile pipe for industries such as metallurgy, construction, transportation, machinery, vehicles and so on. Taking cold or hot-rolled steel as raw materials, through cold-formed and high-frequency welding method to produce the round pipe, square pipe and rectangle pipe. API & Natural Gas Steel Pipe Mills is used to produce petroleum pipe accord with the standard of API-5L, API-5CT, ASTMA53, Grade A& B,can produce boiler pipe,heat transfer pipe,etc.