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NQ HQ NWG and B76 impregnated core bits is delivering. They are widely used in hard rocks formation in coring rocks. Welcome to contact us if you need them.
Today our impregnated core bits are on way to clients, thanks for client's trust. We will always supply quality products and good service.
If you need any kinds of core bits for rock coring and geological drilling, welcome to contact us freely by robert@tydrillbits.com.