our company have twenty years history in making pressure vessel.we pass the quality syste,m certificate of iso9001 and got the pressure vessel certificate of grade 1 and grade 2 for manufacture .specialized in making glass lined/stainless steel reactor and heat exchanger.the heat exchanger we can provide as follows: tube and shell heat exchanger ,2tubes in one motion ,u-shape heat exchanger. the feature:both k and f capacity from 50Lto 30000L