... loose joint ,used at shock absorber and compensate for displacement.JGD mean single ball (arch),JGD- ... any time ! Yes, we can do it for you!Material NO.NAMEMaterial1Inner and Outer GlueEPDM,NR, ... 16252215300122451625221535014255162522154For special requirement , please provide written drawing .br ... on high building , bracket support or fixed equipment for pipes , or anti pull enquipment should be installed ...