Tuochen Instrument is a professional manufacturer of vacuum freeze-drying machines. The enterprise integrates research and development, production, and sales, and is committed to the research of vacuum freeze-drying technology. Based on scientific management, innovative concepts, advanced technology, comprehensive after-sales service, and large-scale production capacity, we adhere to the core concept of high-quality and high-performance products, adhere to the path of independent research and development, and keep up with the pace of the times to innovate.