The first ring ( Gas ring) : The whole nitrogen steel ring, the durability is good with good sealing and it' s fast to dispel the heat. The second ring ( Gad ring) : Ductil Iron ring, easy to break-in....
Guangdong Wanlifeng Piston Ring Co., Ltd. is a professional piston ring manufacturer located in Guangzhou, China. Our main products is piston ring for motorcycle, car, desiel engines, etc. With 8....