... Co.,Ltd.Established in 1993,is an integrated enterprise which is specialized in compressed air purification equipment, Holysun ... element)etc.Totally 13 series,300sorts of products which are widely used in electrical,metallurgy,electron,mechanism,petroleum,chemical ... Guangzhou,Jinan,Shenyang,Zhengzhou,Wuhan, Chengdu and Wu-xi which responsible for before & after-sales technology consultation,business ...