Xuzhou Donghong Machinery Manufacturing Co., Ltd.(former Xuzhou Donghong Plastic Mould Machinery CO., Ltd.) has more than ten years manufacturing experience and advanced production technology for gas spring, we also has testing equipment and strong technical force. The major products involve automobile spring, tension gas spring, controllable gas spring, random stop gas spring.Y compressible gas spring and K lockable gas spring are researched and developed independent . Which all widely used in automotive, Medical devices, cupboard door, office furniture and ect. Our company passed the ISO9001 Quality System Certification.We are committed to :Every gas spring are subject to stringent testing to insure quality.We can design and produce as per customers�requests.We check every piece of gas spring with strict test to insure the quality. Our company with diversified development, to introduce advanced lost foam process and resign sand casting:Hammer of crusher , Ultra-high manganese hammerhead , High-chromium alloy liner, alloy steel ball and all kinds of grey iron and ductile iron automobile parts, Heat-resistant steel and etc. Our policy:Meet customer demand with high quality, High performance and most competitive price.Warmly welcome new and old customers to visit our company and talk business with us.Hope a sincerity cooperation, and develop together!