As a manufacturer of auto brake chamber and various valves, Tongxiang Chenyu Machinery Co., Ltd. is relocated from Jiaxing to Tongxiang at the end of 2008. Covering an area of 11000M2, our company owns RMB 10 million of fixed assets and has 80 employees including 20 specialized technicians. We have passed ISO9001:2000 Quality Management System Certification. We developed 50 sets of production equipment such as numerical controlled machine tool and special press and assembly line, 7 sets of PLC sealing testing beds, as well as advanced product performance test equipment such as PLC static performance testing bed, PLC life testing bed, universal material tester and surface treatment salt spray tester. Devoting to the production of auto brake chamber, energy-storage spring brake chamber and various valves for over ten years, we have annual production capacity of 600,000 sets and developed 4 series of over 100 breeds such as brake chamber in series 9, 12, 16, 20, 24, 26, 30 and 36, dual-diaphragm spring brake in series 16/24, 20/24, 24/24, 24/30 and 30/30, piston brake chamber in series T16/16, T16/22, T16/24, T20/24, T24/24, T24/30, T26/24, T30/24 and T30/30, as well as various valves such as quick-change coupler, triple valve and filter valve. In addition to serving the main domestic auto manufacturers, our products are also exported to America, Australia, Europe and Southeast Asia. Brand ''CY'' has built up favorable brand image at home and abroad. Carry on the past and open a way for future! In the new century, sticking to the operating idea of ''standardized management, quality first, faithful cooperation and creative innovation'' we are sincerely inviting you to open up a bright future together.