Lub tuam txhab cov neeg siv khoom yog ib tug nyuam qhuav tsim steel yeeb nkab chaw tsim tshuaj paus tshwj xeeb nyob rau hauv zus tau tej cov precision kos steel kav (round, square, pa, yeeb nkab thiab di ncauj zawj). Npog thaj tsam ntawm 40000 square meters. Raws li cov kws tshaj lij kev lag luam, lawv lub luag haujlwm tseem ceeb yog ua kom ...
Nyeem ntxiv