Founded in 1991, Ningbo Sunrun Industry & Trade Co., Ltd is a professional manufacturer engaged in producing bicycle transmission parts. It dominates Cixi Saiguan Bicycle Parts Factory and Cixi Shenglun Bicycle Industry Co., Ltd. The key products range from derailleur sets, freewheels, chainwheel and cranks, brake sets, keeping ahead in the industry. Every member of Sunrun has regarded the perfect quality as the life of an enterprise. By adopting advanced technique such as high-precision cool-forging figuration, numerical control processing and heat treatment, Sunrun creates a full unique range of bicycle transmission parts. The registered brand SUNRUN enjoys fine reputation at domestic and international markets. The annual output is 6 million derailleur sets, 3 million freewheels, 1.5 million chainwheel and cranks, 3 million brake sets and relevant bicycle accessories. They command a ready sale in Europe, Central & South America and Southeast Asia, etc. Welcome customers both at home and abroad to visit, inspect and discuss business.