freevideoroulette| Cologne (300405.SZ): Alkaline hydrogen production electrode products are currently actively testing with customers to promote product application

Glonghui April 30 丨 Cologne Shares (300405)(300405freevideoroulette.SZ) said on the investor interaction platformfreevideoroulette, the company's alkaline hydrogen production electrode products are currently actively testing with customersfreevideoroulette, promoting product application and planning for product scaled-up production, small-scale orders have been formed.