一级黄色小说-红杏网站-日本午夜精品-污黄视频-黄色一级免费-国产精品福利导航-美女污-成人久久网站-福利在线免费观看-国产精美视频-丁香啪啪-激烈娇喘叫1v1高h糙汉-肉肉视频在线观看-婷婷超碰-日本三级久久久-色老大网站-奇米四色在线视频-五月激情站-国产精品日日做人人爱-日韩在线观看免费网站-欧美熟色妇-久久盗摄-欧美性视频在线播放-爱爱动态视频免费-国产一级片自拍-欧美色爱综合-吊视频一区二区三区-好想被人操-日韩欧美高清在线视频-美女被男生插

About Us

Established in 2004, Shaanxi Nonferrous Construction Co., Ltd., became the holding subsidiary of Xi’an Surveying & Mapping Institute in 2009 which is an enterprise owned by Shaanxi Nonferrous Metals Holding Group, with a registered capital of 200 million Yuan. The company has a Grade-A qualification of general contracting for housing construction engineering, municipal public engineering, mechanical and electrical engineering, and mining engineering; Grade-A professional contracting qualification for ground foundation engineering, steel structure engineering, building decoration engineering, fire-fighting equipment engineering, electronic and intelligent engineering; Grade-B general contracting qualification for >>

Qualifications

more
Projects

more
/* */