[precision testing Electronics: holding subsidiary signs sales contract] April 14 / PRNewswire-FirstCall-Asianet /-- Changzhou Jingshi, the company's holding subsidiary, recently signed an "equipment procurement contract" with customers to sell a warehousing and logistics system to customers, with a total transaction value of 178 million yuan. Shanghai Jingshi, a holding subsidiary, recently signed two sales contracts with customers to sell a number of semiconductor front measurement and testing equipment to customers, with a total transaction value of 116 million yuan.