Group 1 - The core point of the article is that China National Building Material (03323) announced the issuance of technology innovation corporate bonds aimed at professional investors, with a total issuance scale of no more than 2 billion yuan [1] - The bonds are divided into two varieties, with the first variety having a term of 3 years and the second variety having a term of 5 years [1] - The coupon rate for the first variety of bonds has been set at 1.77% based on the results of inquiries from professional institutional investors, while the second variety was not actually issued [1]