Patent Certificate-Xinbeifang Petroleum Drilling Tools

Mudanjiang Xinbeifang Petroleum Drilling Tools Co., Ltd.

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Patent certificate for a ball valve with a stem

Patent Certificate for Internal Blowout Prevention Tool Pressure Detection Equipment

A patent certificate for an ultra-wear-resistant stabilizer

Patent Certificate for a Top Drive Rotary Casing Running Device Mounting Frame

Patent Certificate for a Multifunctional, Long-Life Square Drill Pipe Plug Valve

Patent Certificate for a Multifunctional Waste Recycling Device

Patent Certificate for a Device Enabling Pressure-Open Operation of a Square Drill Pipe Plug Valve

Patent Certificate for a Highly Adaptive Stress-Dispersion Bidirectional Hydraulic Drilling Shock Tool

Patent Certificate for a Sliding Pin-Type Adapter Connector

Patent Certificate for a Plate-type Float Valve Assembly with an Eccentric Structure

Patent Certificate for a New Type of Plug Valve with Lubricating and Filling Functions

Patent Certificate for a Dual-Use Switching Spool

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mdjxbf2010@163.com

Phone:

+86453-6333133, ext. 8009, Sales Department

Address:

No. 24, Xingye Road, Yangming District, Mudanjiang City, Heilongjiang Province

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