Established in September 2003, Chang Tong Technology Co., Ltd. is located in Industry Demonstration Zone, Gongyi City, staffing more than 500 experienced employees including 55 engineering and technical personnel, with a total investment of RMB80 million.

We are mainly engaged in the production of automobile leaf springs, spring rolled flat steel and profiles, automotive brakes, flanges and concrete piles fittings. Being well-equipped, and with strong technical capabilities and advanced testing equipment, we can annually produce 1500,000 units of flanges. As an 'AAA' Level Corporation audited by bank, our company has passed the evaluation of ISO9001 and TS16949 international quality system certification, and won many honorable titles such as "the Country's Largest 500 Private Enterprises", "Provincial Contract And Trustworthy Enterprise", and "Hundred Private Enterprises In Henan City" title. In 2008, we won the title of "The Best In Henan Province (Advanced) Business" and "2008 Henan Star Best Enterprise" issued by Provincial Development And Reform Commission. Relying on high product quality and good after-sales service, we have been award "trustworthy unit" and garnered a high reputation. With independent import and export right, we have exported our products to Thailand, Poland, Denmark, South Africa and other countries and regions, and they are favored by a vast number of users.