Zhongrui bụ ụlọ ọrụ ọpụrụiche na mmepụta nke ezigbo igwe anaghị agba nchara, tubes na-egbuke egbuke. The isi mmepụta dayameta bụ OD 3.18mm ~ OD 60.5mm. Ihe ndị a gụnyere austenitic igwe anaghị agba nchara, duplex steel, nickel alloys, wdg.