Cong Nghiep Youngsun Wolfram Viet Nam LTD Address: Cai Lan Industrial Zone, Bai Chay Ward, Ha Long City, Quang Ninh Province Enterprise code: 5700624965 Phone: 0904038670 Representative: Huang Ming Xing Adress: Cai Lan Industrial Zone, Ha Long City, Quang Ninh Province Bai Chay Ward, Ha Long City, Quang Ninh ProvinceFounding date: 10 - 1 - 2007