Chongqing Changxing Industry Co., Ltd. is established in 1987, in the southwest of China Chongqing which is the biggest Motorcycle & Engine manufacturing base. During over 10 years' struggle, our company has developed into the biggest enterprise in the field of developing, producing and sales of clutches and other parts of motorcycle & automobile in China. The company is located on No. 18 Huoju Road, Jiulong Industry Zone, Jiulong high-tech Industry District, Chongqing with 35, 000M2 and over 1000 staff, owns the advanced equipments for manufacturing, such as digital control machine tools, instruments for special detect and physic & chemistry apparatus etc. Our company is mainly engaged in the producing and assembling over 90 kinds of clutches for motorcycle. Now the leading products are 3 kinds of clutches assembles which are repectively used in motorcycle engine, general automobile and mini automobile. At the same time, we broaden our products development by researching and developing ZST125, automatic wave 100, 3 gear automatic clutch, automatic wave 125, clutch & reverse gear for general petrolic engine, kinds of chain wheel, balance the axle. Obtain twelve patent properties now; form the special-purpose clutch of motorcycle engine, F168/F177 centrifugal clutch in common use, the three leading products, such as minicar cltuch etc. In 2004, we took the first place on sales of products in China, the sales volume of clutches reaches 7, 000, 000 sets per year. Our company establishes a new clutch manufacturing centre in 2005 in Vietnam which forms the productivity of 600, 000 sets per year. Meanwhile our products have gained the recognition from Japan, Malaysia, Pakistan, Iran, Indonesia and many other countries, now our company is becoming the hard core force in Southeast Asian market.