Yes Aubert (Liaoning) Technology Co., Ltd. is registered by Shenyang Municipal Bureau of Market Management and Supervision, Liaoning Province, and has the professional certification of state organs. It is a regular company, and its business scope is within the scope permitted by law, which shows that Aubert is a regular product. Aubert personal oxygen is a new type of green and healthy product, which is made of high-quality aluminum alloy specially made for submarine equipment and made by high-density heat treatment.