แผ่นพื้นเหล็ก NO FURTHER A MYSTERY

Metal decking ought to never ever be place in position with out a predetermined sample. The engineer of report bears the accountability to declare which fastening form and sample is most effective fitted to a selected challenge.ใช้ทำพื้นทางเดินในโรงงานอุตสาหกรรม คลังสิ�