RAU: Txhawm rau ntsuas cov tawv ntub-xiav ua ntej samming.(Daim ntawv ceeb toom: Tsis haum rau cov tawv ntub-xiav tom qab samming.)
Nta
1. Siv cov txheej txheem tshwj xeeb ntawm kev xav txog kev coj tus cwj pwm, thiab kev siv tshwj xeeb conveying, ntsuas qhov tseeb mus txog qib khoom tiav.
2. Cov tshuab luam ntawv raug kaw kom zoo los tiv thaiv cov tshuaj lom neeg.
3. Cov ncej yog ua los ntawm SS 304.
4. Nws yog tsim tshwj xeeb honoured thoob ntiaj teb invention patent.