1, founded in Pingyang County, Wenzhou, the hometown of China money counter in the late 1980s, successfully developed a fluorescent and magnetic comprehensive money detector. Magnetic certification standard 1994 is listed as industry standard, and 1997 is listed as national standard.

In the mid-1990s, Shanghai GUO Electronic Machinery Co., Ltd. was registered and moved to Shanghai as a whole. Successfully developed the second generation of money counter. 1997 registered "Gu Ao" trademark. 1999 was listed as the designated manufacturer of cash counter of Agricultural Bank of China. 1999 product sales exceeded 20 million yuan.

3. In 2000, fully automatic binding machine was developed and successfully selected as the centralized procurement project of China Construction Bank. 200 1 Complete the layout of the companies and offices in China, and set up 5 branches and 27 offices. The after-sales service network covers all secondary cities in China. In 2003, it was recognized as a high-tech enterprise in Shanghai.

4. Since 2004, the company has successively introduced automatic banknote bundling machine, banknote counter, banknote sorter, intelligent withdrawal box and second-generation bundling machine (the second-generation bundling machine won the "Oscar" IF design award in the internationally renowned design field). The company's products have been shortlisted in China Bank Head Office, China Industrial and Commercial Bank Head Office, China Construction Bank Head Office, Bank of Communications Head Office and China Merchants Bank. In 2008, the first phase of the production base in Dianshan Lake Town, Kunshan, with a construction area of 1.5 million ㎡, was fully completed and put into operation, making "GUO" the most competitive financial equipment brand in China.