Siv tus nqi los ntawm qeb:
Cov qauv yooj yim / kev lag luam: Mining- qib thiab seismic grooved couplings muaj li ntawm 0.5 txog 10 yuan; haum rau cov qauv, qis- kev siv siab.
Cov qauv qauv tseem ceeb: Kub-dip galvanized thiab ductile hlau hluav taws- tiv thaiv grooved couplings; tus nqi ntawm kwv yees li 13.5 thiab 38 yuan; hom kev siv ntau tshaj plaws hauv kev tsim kho.
Stainless hlau / Loj - qauv loj: Stainless hlau grooved couplings (DN150 thiab siab dua) feem ntau yog li ntawm 47 txog 478 yuan; haum rau cov ntawv thov tshwj xeeb uas xav tau siab - siab tsis kam lossis corrosion kuj.