On November 6, 2019, Diansheng shares and Stryker opened an offline inquiry.

There is no transfer of old shares of electro-acoustic shares. According to the disclosure of the prospectus for IPO, the estimated offering price of electro-acoustic shares is 10.20 yuan, corresponding to 22.99 times of earnings, which is lower than the one-month average price-to-earnings ratio of 24.76 for business services and below the red line of 23 times earnings.

The transfer of Stryker's veteran shares. According to the disclosure of the prospectus for IPO, the estimated offering price is 11.27 yuan, corresponding to 22.98 times earnings, which is lower than the one-month average price-to-earnings ratio of 28.80 for the rubber and plastic products industry and below the red line of 23 times earnings.