 WhatsApp: +8615628868848
 Landline: +86-534-278-8365
 Tel: +86-156-2886-8848
 Email: long@longdiya.cn
 Address: No. 3, Ground Floor Commercial Building, No. 4 Building, 1727, Rongsheng Times International Plaza, No.9 Beiyuan Street, Quanfu Sub-district, Licheng District, Jinan, Shandong Province