Kev siv qia hlau npuas ntsej muag feem ntau siv: kub yaj, kub nias, ultrasonic welding thiab txhaj molding thiab lwm yam kev ua caag, kom cov khoom thiab yas ntim nruj nquag koom, uas tuaj yeem txuas nrog, muab xauv thiab ntswj.
knurled tooj liab ceev
Jul 25, 2018
Tso lus