[San'an Optoelectronics: The company's shares held by the controlling shareholder are waiting to be frozen] On October 27, Sanan Optoelectronics (600703.SH) announced that 70 million shares held by the company's controlling shareholder Sanan Electronics were waiting to be frozen, accounting for 6.20% of its shares and 1.40% of the company's total share capital. As of the announcement date, the accumulated frozen shares of Sanan Electronics and its indirect controlling shareholder Sanan Group accounted for 100% of the shares held by the two shareholders, and together accounted for 26.30% of the company's total share capital. This freeze is caused by a letter of credit dispute and will not have a significant impact on the company's control and governance for the time being, but there is a risk of affecting the stability of control. At present, the company's production and operation are normal.