CGT series siab teb lub zog rau cov menyuam mus tas li hlau nplaum sib cais yog cov khoom siv high-tech ua tib zoo tsim los ntawm peb lub tuam txhab cov kws tshawb fawb thiab thev naus laus zis.
Cov khoom tau thov rau lub teb chaws patent thiab dhau lub teb chaws technical appraisal.