Lianyongxin took the initiative in developing rolling pulleys for slide doors and widows, whose performance rivaled that of import, in 1996, which saw the booming of European UPVC doors and windows in China. As research and innovation progress, Lianyongxin presents new products in acceleration and a unique hardware system with Lianyongxin"s characteristics has come into being, making it a leading supplier in China featuring full product range, high quality and universality.

Since 2001, Lianyongxin Hardware has built up a nationwide marketing network, and meanwhile it has been taking undying efforts in tapping the international market, Europ, America, Middle East and Southeast Asia. With its headquarters about 20000sq. M. In Fenghua city Ningbo China, Lianxin has divisions in major cities, such as Beijing, Guangzhou, Shanghai, Nanjing, Wuhan, Xi"an, Xinjiang, Haerbin, and Zhongqing Uygur Autonomous Region, not to mention offices around China. They are Lianyongxin"s platform to provide clients with better service.