The second nasty cold heat exchaner manufactured for the Huisheng Lanzhou Petrochemical 650, 000 tons / year ethylene project Diameter: 1.6m Thickness: 64mm Material: SA387Gr11CL2 We can manufacture various heat exchangers with different specifications, different materials, different requirements. Our products, according to the use purpose, can be divided into coolers, heaters, condensers. According to the shape and structure of the heat transfer surface can be divided into tubular heat exchanger and plate heat exchanger.