Kingdream Public Limited Company is a KINGDREAM PUBLIC LIMITED COMPANY based in WUHAN , China. Kingdream Public Limited Company is a member of Tradekey.com since March, 2009. Our business is related to Minerals & Metallurgy industry and we specifically deal in rock bits and PDC drill bits. Please find our product details below: rock bits HJ bits are highly reliable bits suitable for straight hole and directional well drilling applications. In addition to its excellent bearing system, this series bits also have finely designed and selected cutting structures, carbide insert materials and hardfacing materials for steel tooth bits, so that the bits’ ability to drill various complex formations is largely improved and this sufficiently reflected the constant charm of the standard product. Recommended rotary speed for HJ series bits is 240 to 40rpm, and this series bits are ideal choice for straight hole and directional well drilling applications. rock bits HJ bits are highly reliable bits suitable for straight hole and directional well drilling applications. In addition to its excellent bearing system, this series bits also have finely designed and selected cutting structures, carbide insert materials and hardfacing materials for steel tooth bits, so that the bits’ ability to drill various complex formations is largely improved and this sufficiently reflected the constant charm of the standard product. Recommended rotary speed for HJ series bits is 240 to 40rpm, and this series bits are ideal choice for straight hole and directional well drilling applications. Thank you for taking the time to go through our business profile. If there are any question, inquiry or comments, please feel free to contact us.</p>