Chongqing Yubei District No.20 Metal Doors and Windows No.22 Engineering Environmental Protection No.36 Aluminum Alloy No.47 Jin Shu He Gold No.48 Huan Bao Gong Cheng Zhuan Ye Cheng Bag No.52 He Gold Materials No.53 Jian Zhu Mu Qiang Engineering No.56 Mu Qiang Engineering No.58 Zhuang Xiu Shi Engineering No.64 Construction Steel Structure Engineering No.71 Qu Yu Jing Ji No.77 Steel Structure Engineering 守合同重信用企业 鲁班奖 ISO14001认证 钢结构工程专业承包 环保工程专业承包