Cangzhou Great Drill Bits Co., Ltd. All Rights Reserved
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- Cangzhou Great Drill Bits Co., Ltd.
- Add：No. 2, Jianshe North Street, Yingzhou Economic Development Zone, Hejian, Hebei, China
- Zip：062450
- Tel：+86-317-3212988-8313
- Fax：+86-317-3212998
- Web：http://www.pdcbit.net
- E-mail: admin@pdcbit.net / admin@zkdrilling.com
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