EN10210, EN10219,ASTM A53,ASTM A500,ASTM A501,ASTM A501,ASTM A106,BSS1387, karolo e sekoti ea lisekoere tsa Yuantai Derun, karolo e sekoti e chitja, karolo e chitja e sekoti, phala ea tšepe e kentsoeng pele, phala ea tšepe e chesang le lihlahisoa tse ling. STKR400,JIS STKR490, GB/T700-2006,GB/T6728-2002; Pipe ea tšepe e nang le mahlakore a mabeli e kenngoeng ka metsing, le phala ea tšepe e se nang moeli e tla lumellana le GB / T9711-2011, API Spec 5L le API 5CT litekanyetso tsa indasteri ea peterole ea China.

Khamphani ea Yuantai e nka bohlokoa bo boholo ho boleng ba lihlahisoa, e tsetela haholo ho kenyelletsong ha lisebelisoa tse tsoetseng pele le litsebi, 'me e tsoela pele ho fihlela litlhoko tsa bareki lapeng le kantle ho naha.

Likahare tsa liteko tsa karolo ea tšepe ea tšepe li ka aroloa ka hoo e ka bang: sebopeho sa lik'hemik'hale, matla a tlhahiso, matla a thata, thepa ea tšusumetso, jj.

Ka nako e ts'oanang, k'hamphani e ka boela ea etsa tlhahlobo ea bofokoli ba marang-rang le ho kenya li-anneal le mekhoa e meng ea phekolo ea mocheso ho latela litlhoko tsa bareki.