... structure,high efficiency,low noise etc ENGINE PISTON FOR HEAVY-DUTY TURCKSOur company was built in 1958 and situated ... enterprise”,”Shandong high-tech enterprise”,”Shandong the top 50 industrial enterprise”.And it has already pass ISO9002quality system ... products”.The products are widely used on the autombile,heavy-duty truck,electric generating set,boats,agriculture machinery,transport machinery ...