Shandong Hongtu New Material Technology Co., Ltd Address: Xindian Village, Hualong Town, Shouguang City Tel: 0536-5102659 Email: sdhongtu@163.com Website: www.hongtufs.com Shouguang Marketing Center: Address: room 1212, block B, five star building, Shouguang City Contact: manager Guo - 13791694776