Beijing Head office: 
Tel: +86 10 6789 2150
Fax: +86 10 6789 2669
Mobile: +86 186 0130 2136
Contact person: Joy 
Email:sales@dahenglaser.com 
Address: No.8, Kechuang 3 street, East Road District, Yizhuang Economic and Technology Devepment Area, Beijing-100076, China