Muab ob npaug rau txheej yob txoj kev tshuab

0.3-0.8mm Hlau Ibr Trapezoidal Thiab Corrugated Roof Phab Ntsa Vaj Huam Sib Luag Ob Chav Deck Roll Forming Tshuab
Roofing Sheet Roll Forming Tshuab, Xiav Xim Ob Chav Txheej Roll Tshuab
High Efficiency Ob Txheej Yob Txoj Tshuab, IBR Sheet Roll Forming Machine