● China ká First Welded Pipe Production Line nipa Lilo ZTF Form Technology ● China ká First Taara Square taara Welded Pipe Line ● Ohun elo Pile Sheet akọkọ ti Ilu China ● China ká akọkọ Olona-iṣẹ Welded Pipe Production Line ● Laini iṣelọpọ Pipe API akọkọ ti Ilu China fun Irin Giga giga ● China ká First Direct Square Laini Pipe pẹlu Atunṣe ni kikun-laifọwọyi ● China ká akọkọ Yika-si-square Pipin Roller Production Line ● Laini iṣelọpọ Irin Alagbara akọkọ ti Ilu China Amọja fun Railway Rail ● China ká First Straight Welded API Pipe Production Line Pẹlu OD 720mm
Epo & gaasi gbigbe (API) laini iṣelọpọ paipu