Meilong Tube ni pataki ṣe iṣelọpọ lainidi ati redrawn, welded ati redrawn tubing ti a ṣe lati austenitic sooro ipata, ile oloke meji, awọn irin alagbara nla duplex ati awọn onidi nickel alloy.A lo ọpọn iwẹ bi awọn laini iṣakoso eefun ati awọn laini abẹrẹ kemikali pataki ti n sin epo ati gaasi, ile-iṣẹ geothermal.
Pataki
Okun ọpọn ọkọọkan jẹ ipari gigun patapata laisi awọn welds orbital.
Okun ọpọn ọkọọkan jẹ idanwo hydrostatic pẹlu titẹ ifọkansi kan.
Idanwo naa le jẹri lori aaye nipasẹ awọn olubẹwo ẹnikẹta (SGS, BV, DNV).
Awọn idanwo miiran jẹ idanwo lọwọlọwọ eddy, awọn kemikali, fifẹ, gbigbọn, fifẹ, ikore, elongation, lile fun didara ohun elo.