中国交建：工程项目合同定价一般分为开口合同与闭口合同两类

Core Viewpoint - China Communications Construction Company (CCCC) clarified its contract pricing structure, indicating that it generally categorizes engineering project contracts into open and closed contracts, with pricing and procurement of materials managed according to risk-sharing principles [1] Group 1 - The company stated that the pricing of engineering project contracts is divided into two types: open contracts and closed contracts [1] - The procurement and pricing of materials are organized based on the principle of risk sharing [1] - The company emphasized that all related work is conducted in accordance with established regulations [1]