experienced manufacturer of barite. 7. china barite high pressure suspension raymond mill (pendulum pulverizer) from guilin for barite. us$ 30050 - 33213 / set. 1 set (min. order) lead time 60 days. fob port shenzhen or guangzhou. inquire now save compare chat. guilin guiye machinery co., ltd.,shenyang aerti tech co ltd oxygen concentrator,2.0 (min.order) 3 in 1 portable oxygen analyser analyzer test pressure flow oxygen purity 2017 on sale. us $210 - 235 /set. aerti is a high-tech enterprise that devoted to develop, manufacture and export of qualited oxygen concenrtator. we have the rd team and production team with 20 years experience on psa technolofy.