Betty Liu  

WhatsApp & Wechat & Mobile:   008619930249193
Email:     betty@osking-insulation.com

David Hu  

WhatsApp & Wechat & Mobile:   008618618382222
Email:     david@osking-insulation.com

Tel: +86 -316 -2295 999
Address: LiuGeZhuang, Dacheng County, Langfang 065000, Hebei Province, China