TOPTIP DIAMOND CO., LTD.

Tel: +86-371-6027 1889

E-mail: toptip@toptipdiamond.com

1-Export Department Add.: No.1684 East Hanghai Road, Economic & Technological Development Area,  Zhengzhou, 450016                                                             Henan Province, P.R.China

2-Factory Add.: Wulong Industrial Zone, Xingyang City 450100, Henan Province, P.R.China