Henan Huanghe Whirlwind International Co., Ltd.
Tel: +86-371-69102502/69102505/69102506/69102507
Tel: +86-371-69102502/69102505/69102506/69102507
E-mail: bestdiamondtools@163.com
Add: Intersection of Qilihe North Road and Xinyi Road, Zhengzhou City, Henan Province, China.