Hebei Nuo'an Technology Co,.Ltd is a Chinese company that manufactures protective clothing for working in extreme cold environments down to -170 to -250 Celsius. They are offering a liquid nitrogen protective suit called the Nuo'an Model # NA-PC-01. The suit is made of anti-low temperature multi-layer composite cotton material that is flexible with good tactile feeling. It has a sealed design and exact process to provide perfect cold protection. Additional features include gloves, a gold-plated anti-fog hood, and breathable waterproof boots. The suits are available in sizes for heights above 1.70 meters and can be customized for OEM orders.