... as well as internal combustion engines and so on.4.Piston ring,piston pin,piston kits,conrod, conrod bearing, eccentric shaft,liner, ... so on.6.We can design and produce the piston according to the customer's request.7.We can ... the product is very high! We (Shandong Zhenting Jinggong Piston CO.,Ltd) were founded on JULY,1st,1998. Company ... than 2000 people. Yamaha Motorcycle Spare Parts (58MM Piston)