Matters related to the measurement and test material items measured simultaneously. Step 1: leaf size measurement and verification, measurement including: type of doors, height, width and size of the vertical. Step 2: doorway measurements, including height, width and thickness of the wall and the verticality of the doorway, and well marked. Step 3: Taoban measurement. Width and thickness of the wall Taoban are consistent with the width and height of the wall Taoban match. Drill Step 1: After measuring the verticality of the wall around the doorway, and then the same line selection seven points, with the impact drill drill. Step 2: The fall of the wall in time to clean up dust into the garbage bag. Step 3: Create sawdust. The cut down wood chips into the garbage bag. Step 4: When installing wood reinforcement after adjusting verticality. Tianjin factory doors: http: //www.tjmm88.com/NewsList.asp Tianjin interior doors: http: //www.tjmm88.com/ProductList.asp