Introduction MayAir Technology (China) Co., Ltd., a subsidiary company of MayAir Group, is registered with the brand of MayAir. MayAir Group is listed in London Stock Exchange Market, and is committed to provide the most competitive and value-added clean air sol......
Introduction Zeta Energy Technology, founded in 2009, is a technological company focusing on technical service. It provides customers with systematic solutions, including consultation and design, the manufacture of products and systems, assembling and installati......
Introduction As the world leader in gases, technologies and services for industry and health, Air Liquide is present in 80 countries with approximately 65,000 employees and serves more than 3 million customers and patients. Oxygen, nitrogen and hydrogen have bee......
