... mechanical strength5,shapes by demand6, size by demand7,samples are free by demand8,ppi by demand,10ppi,15ppi,20ppi,25ppi,30ppi,35ppi ... , professional engineer manage, the production, good quality;3, size,shape, color, density by demand, many choice;4,EVA,PE,EPE,XPE,IXPE ... are interested in, please kindly tell me the required density, size, if possible please tell me a probable quantity, i can ...