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Beijing,Beijing,China China
联系人 Cathy Lee
办公地址 Beijing, Beijing
Responding to growing demand both in China and abroad, the China Star factory was designed expressly to manufa
Coring Drill Rods & Casing Pipes made of strong, ductile steel heat treated along the entire length of th
DTH Bits North Star�s range of DTH bits is adapted t
Reaming Shells Spiral design enhances stability in the bore while maintaining critical bore diameter. Reamin
HDD Pilot Bits North Starâs drill head systems provide versatile, hard-wearing performance in a wide
orth Star�s industry-leading production process impro
Roller Cone Bits for Rotary Drilling Air-cooled sealed roller bearings. Widely used in mineral and other min
Pipes from 127 to 168 mm are manufactured strictly in accordance with API SPEC 5CT standards. All such pipes a
wivels North Star manufactures a versatile series of hard-wearing swivels in a range of fully customizable co
North Starâs latest high-pressure DTH hammers offer easy maintenance and low failure rates, plus high
Diamond Bits for Exploration Core Drilling Impregnated diamond matrices suitable for a wide variety of hard-r
North Starâs range of hard-wearing reamers covers all drilling conditions. With a variety of designs a
ub Savers & Accessories North Star also offers a wide range of HDD accessory tools including sub savers a
Rotary Drill Pipes Drill pipes for rotary drilling projects from 76.2 to 339.7 mm. API and BECO threads from
Designed to overcome the challenges of unstable bore environments and complex formations such as pebble beds a
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