On August 7th, the official website of Grand Bambook announced that it will officially launch the Bambook private test on August 9th, and the preferential price of Bambook during the private test period is 998 yuan, and 3,500 units are put on the market for users to apply. Tencent Technology found on Taobao today that some sellers began to sell Bambook's private test invitation code, and the highest price reached 319 yuan.