By August, 2023, 392,206 national high-tech enterprises had been approved, including 44 enterprises in Gaotang County, with RMB 6,543.8+0.5 million. Such as: China Railway Beisai Electrician Co., Ltd., Shandong Aobo Biotechnology Co., Ltd., Shandong Tianhai Technology Co., Ltd., Shandong Ye Sheng New Material Technology Co., Ltd., Shandong Khyron Instrument Technology Co., Ltd., Shandong Xingpeng Dingxing New Material Technology Co., Ltd., Shandong Guangming Tool Manufacturing Co., Ltd., Shandong Lu Jiu Parking Equipment Co., Ltd., Shandong Zhongtan Machinery Co., Ltd., Ogilvy (Shandong) Lubricant Co., Ltd., etc.