HONGLI TRADING CO., LTD. is an international trading company, it was founded in January 2003 in China and Hong Kong. Hongli trading sell marine equipments to shipyard in south of China as a agent. For many years, we had sold many products to shipyards in south of China,for example, Air Dryer, Co2 system, Oil water separater, Oil discharge monitor and contral system,Sterilizer & rehardening water filter, switches & sockets etc.