... ringpiston pinintake & exhaust valvebearing and bushing We offer our products to China FAW, Dongfeng Group, Yuejin Light Trucks, Nanjing Iveco, ... Bus Factory, Zhengzhou Yutong Bus Guilin and Jinan Heavy Truck.Engine Series: WEICHAI. YUCHAI . CUMMINS. YIQI. ZHAOCHAI. YUNNEI. YANGCHAI and ... , 6CT, 6CTA PERKINS: PHASER135, PHASER145, PHASER160, PHASER210, PHASER230 intake / exhaust valve of engine