Daim ntawv pov thawj

Lub tuam txhab tau ua tiav dhau ISO9001 kev ua haujlwm zoo, ISO14000 ib puag ncig kev tswj hwm, kev tswj hwm kev noj qab haus huv thiab kev nyab xeeb, CE daim ntawv pov thawj. Lub tuam txhab tau txais tag nrho ntawm 22 lub teb chaws tso cai patents, suav nrog 2 lub teb chaws invention patents, 13 lub teb chaws cov qauv siv hluav taws xob patents thiab 7 lub teb chaws zoo li tsim patents.