杭氧股份：目前已为国内多个航天发射场提供液体空分设备、低温存储装备，可提供宇航级氪氙、环控装备等产品

Group 1 - The company has provided liquid air separation equipment and low-temperature storage equipment to multiple domestic aerospace launch sites [2] - The products offered include aerospace-grade krypton and xenon, as well as environmental control equipment [2]