Henan Tianchi Cryogenic Equipment Manufacturing Co., Ltd. was founded in 2010, and now has a modern factory covering an area of 15,000 square meters. As a professional manufacturer specializing in the research, development and production of liquid nitrogen tanks, we have 20 years of rich production experience and adopt advanced automatic welding and spinning process. Our products have passed ISO9001, CE, SGS, BV and other international certifications.