Changzhou Changcheng Measures Co.,Ltd ,a stock enterprise structured from its predecessor, Changzhou Measures Factory, was set up in 1966. Changzhou Jida Measures Co., Ltd is a joint venture set up in 1993 with foreign investment.

　　Our main products are feeler, which has a 30-year history and the largest output in the country. In the end of 2000, we developed oil filter spanner and other automobile maintaining tools, which are favored by both overseas and domestic users for its superior quality.

　　Our company owns independent export license thus our products are distributed to as far as US, south Asia. We heartily welcome cooperation with both domestic and overseas users and are ready to co-develop with them.