张家口Fire Monitoring and Warning System for Mined Out Areas in Underground Mines 1127
Official Account
Chongqing Baian Technology Co., Ltd
Company Address: 22-5, No. 11, Panxi Seventh Branch Road, Shimahe Street, Jiangbei District, Chongqing
Production address: 3rd floor, Building 2, Gangcheng Science and Technology Innovation Park, Haier Road, Jiangbei District, Chongqing
Tel：+86-4000672018 +86-023-67630927
E_mail：cqbakj@yeah.net