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Ho kopanya
Ho kopanya li-tubing ke mofuta oa sesebelisoa sa ho cheka tšimong ea oli, e sebelisoang haholo bakeng sa ho hokahanya li-tubing. The tubing coupling haholo-holo rarolla bothata ba mokhathala fracture ea teng coupling ka lebaka la khatello ea kelello mahloriso.
Room 703 Building B, Greenland center, Hi-tech development zone Xi'an, China
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