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News & Events

HLF Breakthrough in Year 2016
To meet customer requirement and to expand and improve the range of types and sizes of PDC drill bits, HLF has successfully developed and produced 26" Steel Body Drill Bit and 17-1/2" Matrix Body Drill Bit.。

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