According to GLONG News, on April 7th, the accurate information of 6 Lianban responded to the letter of concern of Shenzhen Stock Exchange. The main direction of the company's blockchain business is based on the application of blockchain technology in the application platform of industry customers, without developing the underlying technology. At present, it is mainly in the field of private payment, which belongs to the private chain category. Therefore, it is required to understand both the blockchain technology and the customer operation mode. This is the aspect that needs competition in the future.