Ijoko Olimpiiki: Iwọn tube 50x100mm, ati sisanra 3mm, ti o tọ pupọ ati iduroṣinṣin, Apẹrẹ lilo ile-idaraya ọjọgbọn.Lakoko iṣelọpọ, o jẹ ti ibora agbara awọn ipele 3 Standard.boṣewa ga-densened foamed ijoko.Yoo gba ọ ni rilara ikẹkọ tuntun lakoko adaṣe.