Contact

GRANDROCK INDUSTRIAL CO. LTD.

ADD.:NO.1 Bai Ma Central Road, Nan Cheng District, DongGuan, GuangDong,China.523000

TEL: + 86 769 22881236

FAX: + 86 769 22881238

E-mail: cs@grandrock.net grandrockcs@hotmail.com

Attn: Mr. Song

M.P. +86 13322609965 (WhatsApp & WeChat)