45 serial 20Nm is the most popular type for roller shutters.
Ningbo Tapan Intelligence Technology Co.,Ltd. is a leading manufacturer of tubular motor industry and trade .The company has a number of advanced production lines ,the first-class production equipment and testing equipment , a outstanding R&D team ,with large-scale production capacity and perfect product quality control system. Our products are exported to Europe ,the Middle East ,Southeast Asia and other regions of the dozens of countries ,worldwide sales network.