Jinan Mao An Instrument Co., Ltd. is legally registered in China. We professionally  produce, do R&D and sell kinds of hydrogen generators and laboratory instruments for 30 years. With mind of "Best Product! Best Credit! Best Service! ", our company always do our best and take sincerity to cooperate with each customer. With 20 years international business experience, we have exported to more than 90 countries and regions.

     With supper high quality and stable performance, our machines average lifetime is 5 to 10 years. Competitive price. Products past CE certificate. Our products are warmly welcomed by worldwide customers.  

     Years of domestic and overseas sales experience. We can meet customers needs quickly with professional skill. We warmly welcome customers and agents joint us.

    Let us Win-Win together!