Ningbo Slongwang Synchronous Belt Co,.Ltd. production and distribution of "Slongwang" international standard toothed timing belt and synchronous Pulleys drive products. Including rubber ring belt、Rubber open timing belt、 PU belt、Double sided timing belt、 arc tooth belt、 trapezoidal tooth timing.flat belts、V belts 、rack、toothed plate、locking assemblies and matching belt pulley. There are more than 30 kinds of belt models and 3000 kinds of specifications at present.