The Uses Of Heat Exchangers In The Chemical Industry The uses of heat exchangers in the chemical industry span every unit operation—reaction cooling, distillation, evaporation, condensation, crystallization and plant heat recovery. Each use demands specific materials and code-rated pressure design. Center Enamel (Shijiazhuang Zhengzhong Technology Co., Ltd) manufactures carbon and stainless steel pressure equipment with documented chemical-industry experience from 0.6 to 1.2