Peb nyob ntawm qhov xub thawj ntawm PVC ua thev naus laus zis, koom nrog ntau dua 27years ntawm kev tsim khoom lag luam zoo hauv ntau yam khoom lag luam. Peb ISO-9001 cov chaw muaj ntawv pov thawj tau tsom mus rau kev nyab xeeb, ua tau zoo thiab siv lub tshuab ua haujlwm uas muab cov txheej txheem ua tiav siab tshaj plaws thiab ua tiav, hauv cov hmoov thiab cov sib xyaw ua ke.