... high pressure die casting machine, super jointed between cylinder housing and cylinder sleeve, stability on thermal property.Processed by ... made our products high precision, inner wall of cylinder has advantage of excellent oil storage performance, good ... etc.) ,TVS, HARLEY DAVISION, VESPA, SYM, China made scooter, LIFAN, HAOJUE, JINCHENG, QJIANG, YINXIANG, BAOTIAN, ZONGSHENG, DAYANG, LONCIN,JIALING ...