... V. Good drainage systemIt adopts 3 grades for draining,Electronic drain can lots of condensate water and oil contaminant ... dried finished air. Company profile:Shanghai HOLYSUN Machinery Technology Co.,Ltd.Established in 1993,is an integrated enterprise which is ... among Beijing,Guangzhou,Jinan,Shenyang,Zhengzhou,Wuhan, Chengdu and Wu-xi which responsible for before & after-sales technology consultation, ...