... 1,manufacturers of Bon Acid 2,98.5% 3,60000mt/year 4,18mt/fcl,25kg/bag 2-hydroxy-3-naphthoicacid/bon acid Dyestuff Intermediatespecification ... , Baotie achieved the leading compay in coal&chemical field.3,production capacity Baotie launched our tar process with production capacity ... edge, Baotie expanded the production of maleic anhydride to 60,000 tonne/y.4,progress Significant progress has been made ...