Group 1 - The core point of the article is that Guangdian Measurement has received preliminary approval from the Shenzhen Stock Exchange for its application to issue shares to specific investors, pending final approval from the China Securities Regulatory Commission [1] Group 2 - Guangdian Measurement plans to issue up to 67,131,773 shares, raising a total of no more than 130 million yuan, with net proceeds primarily allocated to various projects including an aviation equipment testing platform and an AI chip testing platform [2] - The issuance will be conducted through a competitive bidding process, with the issue price set at no less than 80% of the average trading price over the previous 20 trading days [2] - The targeted investors for this issuance will not exceed 35, including qualified legal entities, individuals, or other legitimate investment organizations [2]