Our company is in development area of Shanghai Pudong, It is an authorized supplier of automobile tools for china N0.1 Automobile Group, Yuchai Machinery Co., Ltd, Chongqing Cummins Engine Co., Ltd., Shanghai INGERSOLL-RAND Compressors Co., Ltd. and Xuzhou Engineering Machinery Technology Co., Ltd. Its business scope covers： 1. The wrenches , such as for filter and tyre etc., are called Allied Wrench totally .Filter wrench includes two types: flexible wrench and stiff wrench.2. Tool kit includes tools of Cummins , Steyr , road-roller , generator.3. Our products include Metric system and British system sleeve heads an other accessories.