The glass lined equipment is made by coating enamel to the surfaces of metal body and then firing them at high temperature in order to achieve a high adhesive strength of the steel basic body.

It is also indispensable economic and good corrosion resistance equipment for hydrolysis, neutralization, crystallization,distillation evaporation and storage in industries of production of pharmacy, chemicals, dyestuff, organic synthesis, foodstuff, pesticide and defense as well as in scientific reseach.