... 80,90Color: black,white,red,green,yellow,blue or follow the color code4.Advantage:Good Ozone resistance, aging resistance, high/low ... : follow customers' requirement6.Tooling:more than 2 thousand toolings of o-rings, washers and gasketsBrief and clear steps:1.Climents offer drawings ... production.7.Arrange mass production at once and finish the production before the lead time.8.Delivery by sea or air on ...