JYA was founded in 2006 in China. We supply threaded inserts for metals,Website:http://www.thread-insert.com, plastics, hardwood and plywood. Over the 10 years of our company history, the number of products we have manufactured adds up to billions. Today JYA is a leader in modern fastening technology especially in the production of wire screw thread insert, key locking screw thread insert, self tapping insert.