Construction project name: Haicheng Jinyuan Mining Co., Ltd. Production and construction project unit Project name: Slag blocking, sub-projects included in the blocking project: Retaining wall Construction unit: Haicheng Jinyuan Mining Co., Ltd. Supervision unit: Liaoning Baiyuan Engineering Technology Co., Ltd. Monitoring unit: Liaoning Tianyu Consulting Service Co., Ltd. Construction unit: Haicheng Pailou Town Construction Co., Ltd.