Txais tos rau GoldenSign
Raws li cov kws tshaj lij cov chaw tsim khoom thiab xa tawm rau PVC ntawv / board hauv Suav teb,
GOLDENSIGN INDUSTRY CO., LTD.yog ib lub chaw tsim khoom ntawm cov khoom siv rau kev kos npe,
digital UV luam ntawv, txee thiab lub tsev.