Hengli Group is a large comprehensive enterprise involving in developing, manufacture and sales of pneumatic elements and cylinder series. Wuxi Hengli Hydraulic Pneumatic Elenent Co., Ltd., a subsidiary company of the group, deals with pneumatic elements; Jiangsu Hengli High Pressure oil Cylinder Co., Ltd. (Sino-American venture) mainly deals with cylinders. Established in 1990, the company has developed into a large size enterprise with 250 million RMB sales value in 2007 through many years&＃039; hard working. There is totally 580 staff, among whom, 45 are senior engineers and 70 are mangers. The total floor area is 56000 square meters, among which, 13000 are pneumatic production workshop and 27000 are cylinder plant. The company has passed several international system certifications such as ISO9001, ISO14000 and OHSAS18001. The company pays much attention to new products research and development. On the basis of talents fostering and accumulated experience as well as modernized computer assistant design, manufacture and simulation, all kinds of new products bearing world-range quality have been developed, manufactured and sold: Pneumatic ratio control valve, metal sealing reversal valve, elliptical cylinder, high frequency jet electromagnetic valve and so on; the products are widely used in many fields like textile, costume, paper making, pharmacy and food industry. Cylinder for excavator, engineering cylinder, metallurgy cylinder and other non-standard cylinders with maximum diameter reaching to 1500mm and maximum stroke 10 ***** company gives the primacy to quality improvement and customers&＃039; interests. Many breakthroughs and innovation, which are the basis of satisfying customers&＃039; requirements and improving products, quality, have been achieved through years&＃039; development.