Tsis xav tig
Txoj haujlwm tuaj yeem nyob sai sai
Rau cov tshuab milling, machining chaw thiab lwm yam khoom siv tshuab, nws tuaj yeem txuag tau lub sijhawm kom pom qhov tseeb.
Cov qauv siv hluav taws xob tuaj yeem siv rau kev tshawb nrhiav kom pom qhov kawg ntawm lub ntsej muag, sab hauv thiab sab nraud