pipe
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Raiseboring 4330V MOD High Strength Drill Pipe
Henan Zhongyuan Heavy Forging Co.,Ltd (HHF) is a National Hi-Tech Enterprise which concludes four plants--Forging Plant, Heat Treatment Plant, Machining Plant, Petroleum Equipment Plant, one Provincial Engineering Technology Research Center for Drilling Tools Stabilizer, one laboratory, one Municipal Technology Research and Development Center. HHF has been certified by the following: API Q1 Quality Management System, License of Using Official API 7-1 Monogram, CSSC Quality System, ISO 9001:2008, ISO/TS29001 International Quality System.
Email Details
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0508-2026
Why High-Performance Drill Pipes Matter in Raise Boring Operations
High-performance raise boring drill pipes are engineered to withstand extreme torque, tension, and cyclic loading in underground drilling projects. Manufactured from premium 4330V MOD alloy steel, Zhongyuan Heavy Forging delivers reliable drill pipes that improve drilling efficiency, enhance operational safety, and provide long service life for mining, hydropower, tunneling, and infrastructure applications.
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2007-2026
How Precision Tube Dies Improve Seamless Pipe Manufacturing
Precision tube dies are essential for producing high-quality seamless steel pipes with consistent dimensions and reliable performance. Zhongyuan Heavy Forging manufactures custom tube dies using advanced forging, heat treatment, and precision machining to support demanding industrial applications worldwide.





