On May 13th, teachers and students from Henan University of Science and Technology visited Longhua Technology (Luoyang) Equipment Co., Ltd. Through the visit and study, all the teachers and students gained a deeper understanding of the principle of heat exchange and heat exchange equipment in the industrial field, which further enhanced the students' professional knowledge. Longhua always attaches importance to the development of technology, continues to carry out communications and cooperations with universities, and maintains the leading position of technology in the industry.