Setifikeiti sa rona .

Re fumane ISO9001 International boleng taolo ya tsamaiso netefatso, API spec 5L, 5CT, le 5B sehlahiswa netefatso ho tloha American Petroleum Institute, ISO140001 International Environmental Management System Certification le GB / T28001 mosebetsi bophelo bo botle le polokeho tsamaiso netefatso, EU boiler le khatello sekepe polokeho netefatso (PED), har'a ditifikeiti tse ling le ditifikeiti tse ling.