We use the advanced technique production of Germany. Our products have wear resistant and high temperature resistant capability, and own better dynamic  performance.
Our cylinder liner has fine materials which base on casting iron of boron-copper  alloy, adding some alloys such as chrome, molybdenum, nickel and manganese. And  the products have delicacy figure and good fine texture.   
Inside of the bore of cylinder liner, cross hatching is very clear, which makes  our products have good capacity of storing oil and prolong the life-span of  engines.  
The dimensional accuracy of cylinder and the physique and position accuracy of  cylinder are excellent, which make our products be fitted with piston ring and  piston parts more properly.