TradeVerify As a professional manufacturer of all kind of cotton spinning steel ring, our technicians believe in the concept of 70 years metal manufacturing exquisitely, while exploring new products together with famous colleges.Our Products:PG-3854,PG-4054,PG-4254,PG-4554,PG-4854??and PG1-XXXX?PG1/2-XXXX?PG2-XXXX.Many kinds of steel rings.Sanyuan Alloy Steel Ring is our patented product.We believe deeply that QUALITY FIRST, SERVICE FIRST and REPUTATION FIRST. We are willing to supply the best steel material with a most competitive price to make your economic benefit maximized.