Group 1 - The 25 Tunnel Co., Ltd. SCP003 bond has a net trading price of 99.99 yuan, with a trading volume of 1.32 billion yuan and a latest yield of 1.6399% as of July 3 [1] - The bond is a super short-term financing bond issued by Shanghai Tunnel Engineering Co., Ltd., with an actual issuance amount of 2 billion yuan and a maturity date of September 17, 2025 [1] - The bond has a face value of 100 yuan, a coupon rate of 1.59%, and is zero-coupon with a term of 93 days [1] Group 2 - Shanghai Tunnel Engineering Co., Ltd. was established in 1993 and is primarily engaged in construction decoration and other building industries, with a registered capital of approximately 3.14 billion yuan [1] - The company has invested in 35 enterprises, participated in 801 bidding projects, and holds 8 trademark registrations and 266 patents [2]