Located in Nanchuanlinpu, Chongqing Shuangqing Mechanic and Electricity Co., Ltd. was established in 1975, with a total coverage of 250 mu(about 167, 000m2 ). It has developed into a large private enterprise, which integrated with major business of products development, engine, motorcycle and corresponding accessories manufacturing and marketing. By now, there are more than 800 staffs in the company, among which more than 200 staffs are engineers and technicians. The companys main products include 35CC-300CC motorcycle, gasoline engine and general mechanics of more than 500 models. With annual capacity of 0. 5 million units of engine and 0. 5 million units of motorcycles, it ranks among top motorcycle manufacturers in Chongqing.

Hijoy brand motorcycles, the leading products of the company, is among the first batch of motorcycle under countrys bulletin system. It is also one of the designated motorcycle manufacturers. Its bi-motorcycles of 28 models and Tricycle of 8 models are in countrys bulletin and passed ISO9001: 2000 international quality system certification and the China Compulsory Certification, CCC. The company has been granted AA credit grade by the ICBC Chongqing branch. The Hijoy brand motorcycles were widely sold to over 30 countries covering South-East Asia, South America, Middle East, and West Africa.