Jiangmen Liyang Industrial & Trading Developing Co.,Ltd. is located in the most famous city for motorcycle industry,Jiangmen.The company is specialized in all range of the after market engine parts such as spark plug,Connecting rod,piston,piston ring,starter starter shaft and so on.The company own a spark plug factory which has experience in spark plug manufacturing for more than 15 years .Professional service and high quality products are always guaranteed by Liyang.