Deputed by an ocean energy resource enterprise, Shaanxi Zhituo has successfully developed a PCHE for offshore oil and gas exploitation. This PCHE has good mechanical, chemical and thermal properties, so that it has important applications in heat exchange or cooling equipment for offshore oil and gas exploitation (e.g. CO2 cooling device, dew-point heat exchanger, Oil and gas pre heater, water cooling equipment, dehydration unit). Meanwhile, the PCHE can reduce the weight and the cost, and increase safety of offshore floating devices (e.g. FPSO, FLNG).