Chaw tsim khoom siv hlau tsis xeb-liaochengsihe lub tuam txhab khoom siv hlau tsis xeb.liao chengsihe lub tuam txhab khoom siv hlau tsis xeb yog lub chaw tsim khoom rau cov hlau tsis xeb coiling tubing stainless stainless seamless steel kauj yeeb nkab stainless hlau seamless steel kauj yeeb nkab, qhov ntev ntawm cov yeeb nkab yog ntau dua 3500M / kauj.