How Much You Need To Expect You'll Pay For A Good แผ่นพื้นเหล็ก
Metal decking need to never ever be place in position with out a predetermined pattern. The engineer of document bears the duty to declare which fastening kind and pattern is greatest suited for a particular project.ใช้ทำพื้นทางเดินในโรงงานอุตสาหกรรม คลังสินค้า