Chang Tong Technology Co., Ltd is a high-tech corporation focusing on auto parts, flange,end plate,plastic pipe&fittings,and mould design, production,sale and service.

Chang Tong Corporation has got 23 National Patents, 10 National invention patents,13 new utility patents, and 6 patents through application. Now Chang Tong Corporation's economic indicators was ranked first place in henan auto parts industry, also ranked first class in the country. Chang Tong now can supply leaf spring 50,000 tons annually, 4 million auto air brake valves, 12,000 tons semi-finished flange.50,000 tons flange, and 60000 tons end plate for concrete piles.

Chang Tong has legal import-export operation rights, and Chang Tong Brand Products are famous in both China and oversea.Our service is appreciated by our customers.

Chang Tong has an AAA bank credit rank, and has passed ISO9001:2000 and ISO/TS16949 global quality certificate. Winning honors like "Provincal Hi-Tech enterprise", "China Association of Automobile Suspension Spring Unit", "Famous Brand of Hena",50 Important Hi-Tech Private Enterprise",100 Growing Private Enterprise in Zhengzhou City,"Provincal Faithful Enterprise(Henan Star)" by Provincal Development and Reform Commission of Henan Province for three years.

No matter what we've got in the past, Chang Tong Technology will continue our corporate our corporate philosophy, such as dedication, innovation, honest,brilliantness, making benefits to our customers, and performing a bright future with our friends, realizing our Chinese Dream.