Chengdu Huilingfeng Diamond Bit Co., Ltd.

    Tel: +86-28-8392 0891

    Fax: +86-28-8392 0830

    Email: hlf@cdhlf.com

    Address: Kowloon Road, East Industrial Area, Xindu District, Chengdu, Sichuan, China

    © 2019  Chengdu Huilingfeng Diamond Bit Co., Ltd.   All rights reserved.