How do you ensure product quality?

All spare parts are inspected strictly before shipping with 100% visual and function inspection.

What is the warranty policy?

We provide a quality warranty with quick responses to complaints and suggestions.

How are the products packaged?

Products are packed in carton boxes with foam, then into plywood cases or pallets to avoid damage during transportation.

Chinese Factory Down The Hole DTH Bit for Quarrying Well Drilling

Name: Chinese Factory Down The Hole DTH Bit for Quarrying Well Drilling
Brand: Changsha Chaojingang Machinery Manufacturing Co., Ltd.
SKU: 1958142922

Hunan, ChinaChangsha Chaojingang Machinery Manufacturing Co., Ltd.

US$30.00-300.00

1 Piece

Sample price:US$200.00/piece.Request sample

Product profile

Customization

Available

Certification

ISO 9001:2008

Surface Treatment

Spray-Paint

Manufacturing Process

Forging

Material

Alloy Steel

Mining Type

Mining

Transport Package

Ply-Wood Case for Safe Delivery

Specification

130 - 156 mm

Trademark

Super Diamond

Origin

China

HS Code

8412310090

Production Capacity

50, 000PCS / Year

Key features

Premium Alloy Steel Material: Manufactured with high-quality alloy steel and hardened procedures for secure long life.

ISO 9001 Certification: Certified with ISO 9001:2008 and ISO 9001:2015 management systems.

Customization Acceptable: Accepts customization from samples, designs, and offers full or minor customization options.

Comprehensive Shank Compatibility: Available shanks range from 64mm to 864mm, compatible with Bulroc, Halco, COP, and DHD series.

Strict Quality Inspection: 100% visual and function inspection for finished products with traceable raw materials.

Fast Response Service: Quick response to complaints and suggestions with experienced senior technicians and engineers.

Flexible Packaging Options: Standard carton with foam and plywood cases; customized packaging is acceptable.

Global Market Reputation: Serves customers worldwide including Brazil, Peru, South Africa, Australia, and Russia.

Company profile

Changsha Chaojingang Machinery Manufacturing Co., Ltd.

Hunan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 8 Years CertifiedNearest Port: Shanghai Port; Shenzhen PortAverage Response Time: ≤5.68h

AI-Powered supplier vetting

SummaryThe supplier demonstrates product R&D, ODM, SDK availability, and broad customization capabilities, including customization from samples, designs, full customization, and minor customization. It reports eight years of export experience, export activity representing 51%–70% of total sales, self-operated import and export rights, and participation in an offline international construction machinery exhibition. Service quotations support FOB, CIF, CFR, and EXW, with a stated one-month average lead time in both peak and off-seasons. However, the supplier reports no overseas warehouse, showroom, agents, or branches, and no overseas service countries. ISO9001:2015 certification and recent fire drills are stated, but no factory environmental impact assessment report is available. Financial records provided for recent years show zero values for revenue, profit, margins, costs, and current ratios, preventing a positive assessment of financial credibility. Evidence of production scale and named customer cases is...

Supplier typeThe supplier appears to be a manufacturing-oriented rock-drilling equipment provider with R&D, ODM, SDK, export, and customization capabilities. Its products are described for earthwork, mining, water-well, construction, geothermal, and municipal engineering applications, while it does not provide OEM services for popular brands.

CertificationsThe supplier reports holding an ISO9001:2015 certificate and conducting regular fire drills during the past year. However, it also states that the factory has no environmental impact assessment report, so the evidence supports quality-system certification but not comprehensive environmental documentation.

Financial creditThe supplied financial records for the stated recent years report zero operating revenue, operating costs, gross profit, operating profit, gross margins, and current ratios. These values do not provide positive evidence of financial strength and materially limit the ability to verify financial credibility.

R&D capabilityThe supplier reports that it had new products during the past year, provides ODM services, and has an available SDK. These are explicit indicators of product development and technical integration capability.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, and minor customization. It also reports R&D capability and ODM service availability, supporting a broad customization offering.