(group)Hi everyone,I am from China,our company manufacture non-metalllic polymer products(another name :man-made polymer) could replace your casting iron,and the property of polymer is much better than iron,it has the advantage of high vibration damping capability ,lower thermal expansion coefficient....it is better for your EDM machine,if you are satisfied pls contact me .

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JINAN EASTSTAR PRECISION MEASURE CO.,LTD
Tel:86-531-88917773/5/6/8
Fax:86-531-88917779
MSN:[email protected]