Mayesowa atha kuchitiridwa umboni pamalowa ndi oyang'anira chipani chachitatu (SGS, BV, DNV).
Mayeso ena ndi mayeso a eddy pano, mankhwala, flattening, flaring, tensile, zokolola, elongation, kuuma kwa zinthu zakuthupi.
Koyilo iliyonse ya chubu ndi kutalika kosalekeza kopanda ma weld a orbital.
Koyilo iliyonse ya chubu imayesedwa ndi hydrostatic ndi kukakamiza komwe kumalunjika.
Meilong Tube imapanga mwapadera machubu opanda msoko komanso ojambulidwanso, owotcherera komanso okokedwanso omwe amapangidwa kuchokera ku austenitic osamva kutu, duplex, zitsulo zosapanga dzimbiri zosapanga dzimbiri komanso ma nickel alloy grade.Chubuchi chimagwiritsidwa ntchito ngati mizere yowongolera ma hydraulic ndi mizere yojambulira mankhwala makamaka kutumikira mafuta ndi gasi, mafakitale a geothermal.
Meilong Tube imapanga mankhwala oletsa dzimbiri a alloy hydraulic control line chubing amitundu yosiyanasiyana yamafuta ndi gasi okwera m'mwamba ndi geothermal.Meilong Tube ali ndi luso lambiri popanga machubu opindika kuchokera ku duplex, aloyi ya nickel ndi zitsulo zosapanga dzimbiri kupita kumakampani komanso zomwe makasitomala amafuna.
Zopangira ma chubu zagawo lamafuta & gasi zakhala zikugwiritsidwa ntchito bwino m'malo ena ovuta kwambiri apansi pa nyanja ndi pansi ndipo tili ndi mbiri yayitali yotsimikizika yoperekera zinthu zomwe zimakwaniritsa zofunikira zamafuta ndi gasi.