Ningbo Spey Scientific Cylinder Co., Ltd. is specialized in motorcycle cylinder production, founded on October 8, 1998, located in Xiexi Industrial Park, Daxie economic development zone, covering 20, 000 m2 and fixed assets nearly 200 million. It has advanced technology of alloy iron casting, mould development and aluminum alloy die-casting in China.

The company adopts resin sand casting technique, ADC12 aluminum alloy die casting technology, and produces cylinder blocks with high quality iron alloy, of which wearing resistance is 60% higher than boron cast iron. Therefore, it obtains good reputation in long term with leading technology while demand exceeds the supply. Its annual production is 5 million sets for 5 series including nearly 100 sorts, with output value 200 million, one quarter in China.