we are offering imported oil seals.so giant was founded in 1988, ample resource were linked, professional and well-trained personnel were grouped. quality concept, obtaning of the iso9001 approval, and high efficiency of our team performance have made our products marketed in all the world. sog's products are your best choice , and make you successful in your market.so giant have full range of din 3760 industrial shaft seals. over 30, 000 different sizes of available tools offer you good quality and prompt delivery, even on special quantity requirements.different materials are available:nbr, fpm, epdm, silicone, acm, hnbr, teflon, neoprene, etc.