our main products are THPA,HHPA,MTHPA ,MHHPA,HBPAFOR EXAMPLE THPA(1,2,3,6-tetrahydrophthalic anhydride)we can sure the quality and reasonable price.
our main products are THPA,HHPA,MTHPA ,MHHPA,HBPAFOR EXAMPLE THPA(1,2,3,6-tetrahydrophthalic anhydride)we can sure the quality and reasonable price.
