Tonsum International Trading Co., LTD. is established in 2006 located in JiaDing District Shanghai China ,which is a comprehensive foreign trade enterprise with independent export and import right. As a professional distributor. Our business scopes are motors , solar energy products and X-ray machine . We have more than 50 series of small & medium size DC & AC & micro motors. The motors products have been awarded for UL CE CSA certificates. We were developed to specialize in supplying motor ...