Jiangsu Yongjia Drying Technology Co., Ltd. is located in Changzhou, a beautiful water town and industrial star city in Jiangnan. It is situated in the hinterland of the Shanghai Nanjing economic development belt, with pleasant climate and convenient transportation. After years of research and development, the company has gradually become a manufacturing enterprise for drying equipment production lines such as dryers, cooling machines, dust removal equipment, and continuous vacuum drying equipment. We design various special purpose drying equipment solutions for customers, handle and solve various difficult cases, and gradually develop into a leading enterprise in the drying equipment manufacturing industry. The company mainly produces equipment for drying, cooling, and dust removal. The independently developed hollow spiral drying and cooling machine can continuously dry and cool under vacuum conditions. This invention has been patented. The new patent adopts energy-saving, environmental protection, and zero pollution emission standards. The drying equipment produced is widely used in industries such as chemical, pharmaceutical, electronic new materials, fertilizers, industrial salt, and food, and is highly trusted and welcomed by users. This device adopts a thermal conduction mode, which improves production efficiency and energy saving by 20% -50% compared to ordinary drying equipment. The company adheres to the business philosophy of 'quality first, reputation first', adopts a scientific management mode, implements high standards for quality, and has formed a complete set of quality management system. It has formulated energy-saving, environmentally friendly, perfect and reliable design schemes and perfect services, which are widely praised by customers.