HistoryWhen Polar Seal introduce its service in 2007, it was a hydraulic seal milestone. Three years later, Polar Seal is a leader in the hydraulic and pneumatic seal market in mining area. In 2010 we got one more chance from our customers , it was to extend our market to hydraulic hose , filter, lubricating equipment, pneumatic crawler drill parts, bushing and brake system parts for off-road truck.