Xinhua News Agency, June 19, a number of companies issued lunchtime announcements, as follows: ① Linotebo: the application for issuing convertible corporate bonds to unspecified objects has been examined and approved by the listing Review Committee of the Shenzhen Stock Exchange. ② Rongsheng Petrochemical: the 27 / 600000 t / a PO/SM plant invested by Zhejiang Sinopec in Zhoushan Green Petrochemical Base has recently produced qualified products. After the plant is put into production, the company's PO/SM capacity will rank among the top 10 in China. ③ Hunan Gold: two gold mines of Dawan Mining, a wholly-owned subsidiary, have potential safety risks and will temporarily stop production. ④ overseas Chinese City A: in May, the contract sales area was 194000 square meters, with a contract sales amount of 3.73 billion yuan; from January to May, its cultural and tourism enterprises received a total of 40.1 million tourists.