HJB is widely used in the transportation of acid-base, salt, hydrofluoric acid, nitric acid, strong oxidant, organic solvent, etc. . It is especially suitable for the use of pickling line, acid regeneration, neutralization station and special medium industries such as iron scale liquid, mud liquid, coal slag liquid, lime slag liquid and so on. Completely substitute for imported products. The main material is FEP. PTFE, pph. PVDF, etc. .