... professional manufacturer of cylinder head and cylinder block.Now we have developed: Cylinder head for Cummins 4BT,6BT, 6CT, ISBe, ... 6BT,,6CT,ISL(T375); Caterpillar 3304 and 3306 series.Short block, long block for Cummins 4BT, 6BT,6CT. Goods can be also developed ... machine)Production capacity: cylinder head:3000pcs/month, cylinder block:1000pcs/mont For ordering our goods, pls kindly show us the ...