Strength concrete pouring, etc. 50% after the start of the screw loose screw inside and outside to take  strength of 100% after cutting the ends of the screw. Cut the tip of the screw should be preceded by a drill to screw seal sealing the ends of the plastic ring chiseled. Then start cutting screw. Du decided not reached due to the strength of the concrete to form removal or cutting of the screw and the sealing screw loose, after the impact of the screw parts of water seepage. After the end of the screw rod seal cut end with a rust screw ends of brush twice, watering wet grout brush twice with 1:2 waterproof cement mortar fill the screw holes twice, one week conservation. Inspection and acceptance: After sealing the screw is installed, the self-test should be carried out in Jiangsu to pull the screw purchase, inspect welds did not have a full place, does not meet the requirements of rework processing. Whether the screw in the correct position. After passing the examination, inspection and acceptance report supervising engineer. Building Materials Co., Ltd. Nanjing Kuang Jian We sincerely look forward to working with you for your service, you can trust and rely on a partner, you become more competitive the strong backing! Please feel free to visit, consultation, business negotiations, Jiangsu pull the screw on direct sales, we will do everything in Jiangsu pull the screw on specifications for your dedicated service! Based in Nanjing, and the country, to the world. Companies always put the "honesty, quality, stresses service" in the first place, adhere to scientific and technological innovation as the center of Jiangsu pull the screw, working to develop more new high-quality green products, to provide "one-stop" service; After years of effort now has a number of national patents (the appearance and utility models), product quality and reliable, courteous service, timely delivery, to ensure that our excellent service quality and good reputation in the community. Jiangsu to pull the screw purchase _ Peter Kennedy Building Materials (certified) _ to pull the screw Ltd. Jiangsu Nanjing provided by Peter Kennedy Building Materials. Building Materials Co., Ltd. Nanjing Kuang Jian (www.njwklg.com) is Nanjing, metal building materials leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Peter Kennedy leadership in building materials with the staff warmly welcome all inquiries negotiations to create the Marina building materials firm a better future.