Group 1 - The core point of the news is that Henan Power Diamond Co., Ltd. has obtained a patent for a "diamond powder screening machine," which aims to enhance the filtration effect and purity of diamond powder through innovative design [1] Group 2 - Henan Power Diamond Co., Ltd. was established in 2010 and is located in Shangqiu City, primarily engaged in the non-metallic mineral products industry [2] - The company has a registered capital of 2,602.72313 million RMB [2] - The company has made investments in 10 enterprises and participated in 17 bidding projects, holding 18 trademark records and 89 patent records, along with 170 administrative licenses [2]