Jiangsu Crown Police Equipment Manufacturing Co. Ltd is a professional manufacturer of security equipment, anti riot equipment, self-defense equipment and safety products approved by the public security department. The company has superior geographical location, complete production and testing equipment, strong technical force and perfect product quality assurance system. Realize standardization and professional production earlier in the industry. Golden quality, cast by science and technology. Crown series products are of high quality and high safety coefficient, which are highly praised by users. Its main products are security , and the sales scope covers the whole country.

The predecessor of West Line Protection is a manufacturer with over ten years' experience in synthesizing high-performance polyethylene for industrial and military application in Hebei province. Thanks to the intimate relationship with local colleges and institution. West Line Protection mastered the technologies for ballistic PE fabrics and received orders from partner enterprises and customers. With the improvement of our technology and enrichment of partner members, we were invited in a collaboration to develop aramid fabrics and, later, co-founded aramid factory with peer enterprises to satisfy our customers domestic and overseas.