Beijing Borenfang Trade Co., LTD is a professional supplier of the stepping motor driver IC. Most of the products' brand are TOSHIBA,SANYO. So they have good quality and reputation in the world. We also develop different kinds of customized ic products for our old new customers or launch several standard types of IC regarding the changing markets. (For example, recently we have key launched 2 market-focused products THB60640AH and THB6128.) Now our bussiness is continuing expand all over the world. 
For more information, pls contact us. Co-operations of all type are welcome.