Heilongjiang North Shuangjia Drilling Tools Co., Ltd. designs and manufactures oilfield drilling tools and related equipment, combining strong R&D with advanced machining and heat-treatment capabilities.
Heilongjiang North Shuangjia Drilling Tools Co., Ltd. (Sj-Drilling) is a Chinese manufacturer focused on the design, research, and production of oil drilling tools and related accessories. Operating as a holding company of Heilongjiang North Tool Co. Ltd. under China South Industry Group Co., it supports customers with integrated capabilities that cover machining and heat treatment.
The company manufactures a broad range of oilfield tools and drilling components, including stabilizers, fishing tools, hole openers, drilling jars, coring tools, washover pipe, float collar/shoes, drill pipe, and drilling rig spare parts. It also develops specialized solutions such as casing running tools, torque reduction subs, and multi-function casing scrapers, backed by CNC-based processing methods designed to improve efficiency and precision.
With strong technological capabilities and advanced production equipment, the company supplies major oil and gas operators in China, including CNPC, SINOPEC, and CNOOC, and serves both onshore and offshore oilfields. Its products are also exported to a wide range of international markets, including India, the Philippines, Qatar, Singapore, the UAE, Iran, Oman, Syria, Yemen, Sudan, Canada, the USA, the UK, Norway, and Russia.
The company focuses on the design, research, and manufacture of oil drilling tools, delivering product development, technological innovation, and dependable service for drilling operations.
Manufacturing capabilities include machining supported by branch factories and an in-house heat treatment workshop, along with processes such as ultrasonic (supersonic) spraying for surface hardening applications.
Integral spiral stabilizers are processed with CNC automatic drilling technology and dedicated equipment designed for stabilizer alloy-hole machining, supporting improved processing efficiency, precision, and operational safety.
Manufacturing the highest quality products and providing the best quality service remains the company’s guiding objective in serving customers at home and abroad.
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