Shanghai Jun Yu Trade Co., Ltd. (Jun Yu) is an international trade company that imports and exports the following goods:

　　　　·Chemical materials

　　　　·Metal materials

　　　　·Auto and Motorcycle components

　　　　·Electronic products and accessories

　　　　·Instruments

　　　　·Rubber products and materials

　　We are the sole agent for Power Technology Inc. (PTI) in China.  PTI manufactures ISO 12103-1 test dust grades as well as a wide range of test....