????????????????????????? ?????????????????????????????????????????? ???? ??????????? ??????????????????????????? ???????????? ?????????????????????????????? ????????????????????????????????????????????? ????????????????????????? ????????????????????????????????????????????? ????????????????????????????????????????

       ????????? (Corner bar) ???? ???????????????? (Angle Board) ?????????????????????????????????????????????????????????????????????  ????????????????????????????????????????????????????????????????? ??????????????????????????????????????? ????????????????????????????????????????????? 3mm.-8 mm  ???????????????? 30mm.-150mm. ??????????????

?????????? ???????????????????????????????????????????????????? ???????? ????????????????? ????????????????????? ??????????????????????????? ????????????? ????????????????????????????? ????????????????????????????????????????????????????????? ??????????????????????????????????????????????????? ???????????????????????????????????????????????? ?????

ปัจจุบันเทคโนโลยีเข้ามามีส่วนสำคัญในการสื่อสารและการทำงà¸