Scanning focuses on the WeChat platform
No.1 xinjian east road, haizhou development zone, lianyungang, jiangsu, China
In 2015, it was established to undertake all the assets, liabilities, personnel and business of the former Lianyungang Huanghai Machinery Co., Ltd., formerly known as the Northwest Exploration Machinery Factory of the Ministry of Geology and Mineral Resources established in Wushan County, Gansu Province in 1970. In 1995, the whole system was relocated to Lianyungang, Jiangsu Province. city.
Underground tunnel drill