we supply chromed bar and tubes for hydualic and pheumatic cylinders. It has established steady cooperation with numerous well recognized universities and institutes in china this sort of as, Zhejiang College, Jilin University, Complex committee of nationwide chain push regular, Institute of nationwide chain travel, Zhejiang application engineering material institute, Huhan content defense institute and it cooperated to discovered China Initial Car chain institute with Nationwide chain travel institute.EPG has been efficiently licensed by ISO9002 Top quality Administration System, ISO9001 Good quality Administration Technique, API certification, ISO/TS16949:2002 and ISO10012 measurement management method.