Lus piav qhia luv luv:
Cov lus piav qhia: 1. Kev siv lub tshuab nruab nrab lubrication.2. Compact qhov chaw tsim kom yooj yim ntawm pwm-hloov, kho, thiab tu.3. Minimized hloov suab rau kev ua kom cua sov thiab txuag hluav taws xob.4. Swift pauv tsim rau preform mandrels.5. Optimized cua ntws hauv qhov cub kom ruaj khov txheej txheem cua sov.6. Yooj yim kho, pauv thiab nkag tau cua sov o...