Chenghui Drilling (Shenzhen) Technology Co., Ltd.

About Us

Chenghui Drilling Chenghui Drilling Tools manufacturing facility in China

Your Drilling Tools Manufacturing Partner in China

Chenghui Drilling (Shenzhen) Technology Co., Ltd. is a China-based manufacturer specializing in drilling tools and equipment for mining, geological exploration, water well drilling, geotechnical engineering, and construction applications.

Our main product range includes PDC drill bits, diamond core bits, tricone drill bits, DTH drilling tools, and drilling equipment. We provide both standard products and customized solutions based on different drilling requirements, including bit diameter, cutting structure, connection type, and formation conditions.

Our manufacturing operations include machining, welding, grinding, surface treatment, painting, and finished product inspection. We work with international distributors, equipment suppliers, and drilling contractors, focusing on clear communication, consistent specifications, and long-term cooperation.

2008
Established
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Factory Area
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Employees
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Export Countries
0 PCS
Drill Bits / Year
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Years Experience

Custom Drilling Solutions

From bit diameter and cutting structure to thread connections and formation requirements, we support customized drilling tools for different projects and market needs.

Request a Custom Quote
Manufacturing Capability · Drilling Tools
Manufacturing Capability

Manufacturing Capability

From Raw Material to Finished Drilling Tools

Our manufacturing process combines machining, welding, assembly, surface treatment and inspection to ensure consistent product quality and reliable performance.

We manufacture and customize drilling tools according to different bit sizes, connections, cutting structures and drilling conditions.

Production Process

01 → 06
CNC machining for drilling tools

Precision Machining

Accurate machining helps control critical dimensions, thread connections and body geometry for reliable assembly and drilling performance.

PDC drill bit welding process

Welding & Assembly

Cutters, alloy components and drilling structures are assembled and welded according to product design and application requirements.

Grinding and finishing of drilling tool components

Grinding & Finishing

Key surfaces and cutting structures are carefully finished to improve dimensional consistency and overall product quality.

Drilling tool surface treatment and painting

Surface Treatment

Painting and anti-corrosion treatment help protect drilling tools during storage, transportation and field use.

Drilling tool quality inspection

Quality Inspection

Dimensions, connections, welding quality and product appearance are checked before packing and shipment.

Finished drilling tools packing and delivery

Packing & Delivery

Finished drilling tools are cleaned, protected and packed according to order requirements before shipment.

Core Manufacturing Strengths

Precision Manufacturing

Machining and dimensional control for drill bodies, connections and key components.

Custom Engineering

Custom sizes, threads, cutter layouts and structures for different drilling conditions.

Quality Control

Inspection of dimensions, welding, connections and finished products before shipment.

Surface Protection

Painting and anti-corrosion treatment for improved storage and transportation protection.

Custom Sizes 75–325 mm & Special Sizes
Connections REG · NC · API & Custom Threads
Product Types PDC · Diamond · Tricone · DTH · Alloy
OEM / Customization Available for Different Drilling Applications

Need a Custom Drilling Solution?

Tell us your required bit size, connection, formation and drilling application. Our team can recommend or manufacture a suitable solution for your project.

Quality Control

Quality Control

Inspection at Every Critical Stage

Quality control is integrated into our manufacturing process. Key dimensions, connections, welding, cutting structures, surface finish and order specifications are checked before drilling tools are approved for packing and shipment.

Core Inspection Points

Dimensional Inspection

Critical dimensions such as bit diameter, body geometry and key machining dimensions are checked against product specifications.

Diameter Body Dimensions Critical Tolerances

Thread & Connection Check

Threads and connections are checked for size, profile and compatibility with the required drilling equipment.

REG NC API Custom Connections

Welding Inspection

Welded areas, cutter seats and assembled components are visually checked for consistency and manufacturing quality.

Weld Area Cutter Seat Assembly Condition

Cutting Structure Check

Blade layout, cutter quantity, cutter position and product structure are checked against the confirmed configuration.

Blade Layout Cutter Position Structure

Surface & Finish Inspection

Finished products are checked for surface condition, painting, anti-corrosion treatment and overall appearance.

Surface Finish Painting Anti-Corrosion

Final Order Verification

Before packing, the product is verified against the order requirements, including size, connection, quantity and customized specifications.

Size Connection Quantity Custom Specs

Our Quality Control Process

Incoming Check

Raw materials and components are checked before entering production.

In-Process Inspection

Key dimensions and manufacturing conditions are checked during machining and assembly.

Structure Verification

Product structure, cutter layout, connection and customized specifications are reviewed.

Surface Inspection

Painting, surface condition and anti-corrosion treatment are checked after finishing.

Final Inspection

Finished products are inspected before packing.

Packing Verification

Quantity, product specifications and order information are confirmed before shipment.

What We Check Before Shipment

Dimensions
Connection
Structure
Welding
Surface Finish
Order Specifications

Each order is checked according to the confirmed product specifications and customer requirements before shipment.

Quality Control for Customized Products

Customized drilling tools require more than standard inspection.

For special sizes, threads, cutter layouts or structures, the finished product is checked against the confirmed drawing, sample or technical requirement before shipment.

Specification Verification
Custom Dimension Check
Order-Based Inspection
Custom QC Customized drilling tool quality inspection

Need Inspection Details for Your Order?

For customized orders, we can provide product photos, dimension confirmation and packing information before shipment when required.

Our Credentials

OUR CREDENTIALS

Our Factory

OUR FACTORY

Herein, we sincerely welcome your visit for investigation or business negotiation. We focus on cutting equipment and fully support customers in completing various processing projects. We look forward to sincere cooperation with you, creating business opportunities and progressing together.

Leave a message
Phone +86 17727887618
Email ch@chpdc.com
WhatsApp 8617727887618
WeChat 13575117859
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