Supply of high-strength bolts, fasteners Yongnian County Bowen specializes in processing high-strength bolts, we have advanced technology, excellent equipment, high-tech assembly line, is a professional supplier of high-strength bolts of high strength bolts specifications, reasonable price, complete specifications so rest assured that you buy the product easy to use. Take measures to prevent its re-creation of high-strength bolts processing, in order to ensure good adhesion between the coating and the substrate after coating. Quality testing at the same time due to the large size of the bolt geometry, gave the nickel-phosphorus plating treatment and process more difficult. Supply of high-strength bolts, fasteners Yongnian County Bowen specializes in processing high-strength bolts, we have advanced high-strength bolts technical parameters, excellent equipment, high-tech assembly line, is a professional supplier of high-strength bolts, reasonable price, complete specifications so rest assured that you buy the product easy to use. 35 \ 45 \ ML35 \ SWRCH35K steel annealing temperature to soften the general area of ??715--735 ° C; and SCM435 \ 40Cr \ SCR435 ball of the annealing temperature is generally region 740--770 ° C, isothermal temperature 680--700 degrees Celsius. Manufacturers of high-strength bolts, high strength bolts factory Yongnian Featured | Bowen (certified), high-strength bolts supplied by Yongnian County Bowen fasteners. Yongnian County Bowen fasteners (www.bwjgj.com) is Handan, fasteners leaders, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Bowen fasteners leadership with the staff warmly welcome all inquiries negotiations to create Bowen fasteners a better future.