天地数码：取得发明专利证书

Group 1 - The core point of the article is that Tian Di Digital has recently obtained a patent for a "viscosity control device" from the National Intellectual Property Administration of China [1] - For the fiscal year 2024, the revenue composition of Tian Di Digital is reported to be 89.98% from thermal transfer ribbons and 10.02% from other businesses [1] - As of the latest update, the market capitalization of Tian Di Digital is 2.7 billion yuan [2]