... Shanghai filiale was established.In 1998,Hongkong(huilong)International developmentCo.,Ltd.was established.In 2003,Beijing filiate was ... 2006,Guangzhou AK filter Co.,Ltd. was established. Nearly one hundred years development,Huilong Group has not only ... international customers in America,Middle east, Eastern Europe and so on. HuiLong Group has all along persisted with the faith of communal development ...