Tus qauv ntawm GKBM Tilt Thiab tig qhov rais Qhov rai Qhov rai ncej thiab qhov rais Sash: Qhov rai thav duab yog cov thav duab ruaj khov ntawm qhov rais, feem ntau yog ua los ntawm cov ntoo, hlau, yas steel lossis aluminium alloy thiab lwm yam ntaub ntawv, muab kev txhawb nqa thiab kho rau tag nrho lub qhov rais. Qhov rai s...
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