西部建设参股成立广州增城中建西建混凝土有限公司，持股比例95%

Group 1 - A new company, Guangzhou Zengcheng China Construction West Building Concrete Co., Ltd., has been established with a registered capital of 30 million yuan [1] - The company is involved in various manufacturing and sales activities related to construction materials, including cement products, concrete structural components, and lightweight building materials [1] - The ownership structure of the company includes West Construction and Guangzhou Donglong Concrete Co., Ltd. as joint shareholders [1]