Chengdu Deep Diamond Bit Co., Ltd.

Chengdu Deep Diamond Bit Co., Ltd. is a leading Chinese manufacturer of high-performance diamond drill bits and downhole tools. We are a trusted supplier to major energy companies globally, including CNPC, Sinopec, CNOOC, and KNPC.

Our API and ISO-certified product portfolio spans a full size range from PDC bits to reamers (3½" to 32"), engineered for complex directional and deep drilling applications.

Our integrated manufacturing and rigorous quality control ensure exceptional product reliability and performance. We offer customized engineering solutions and comprehensive global technical support, from pre-job planning to post-run analysis. Our core mission is to be a strategic partner, enhancing drilling efficiency, extending tool life, and reducing total operational cost for our clients worldwide.