What is the warranty or quality inspection process?

We perform 100% inspection on finished products, including visual and function inspections, following uniform instructions with 4 QA/QC inspectors.

What are the working pressure and air consumption specs?

Working pressure ranges from 0.7-2.5 Mpa depending on the size, and air consumption ranges from 4 to 78 m3/min based on the hammer model.

Earth Boring Tools Mission 40 Hammer Assy

Name: Earth Boring Tools Mission 40 Hammer Assy
Brand: Changsha Chaojingang Machinery Manufacturing Co., Ltd.
SKU: 1913548645

Hunan, ChinaChangsha Chaojingang Machinery Manufacturing Co., Ltd.

US$50.00-1,000.00

1 Piece

Product profile

Customization

Available

Certification

ISO 9001:2000

Standard

JIS, ASTM

Surface Treatment

Spray-Paint

Manufacturing Process

Forging

Material

Alloy Steel

Transport Package

Ply-Wooden Cases for Exporting

Specification

2 Inch to 12 Inch

Trademark

Super Diamond

Origin

China

HS Code

8207199000

Production Capacity

10000

Key features

High Efficiency Drilling: More efficient energy transfer, faster drilling speed, lower air and oil consumption.

Reliable Valve Design: Valve air distribution ensures more reliable performance and fewer internal parts.

Extended Service Life: Simple piston design and heat-treated parts result in longer life and less failure.

Easy Maintenance: Simple structure and easy disassembly via multi-thread connections for quick maintenance.

ISO 9001 Certified: Manufacturing process and quality management certified under ISO 9001:2000 standards.

Alloy Steel Construction: Forged from high-quality alloy steel with spray-paint surface treatment for durability.

Wide Size Range: Available in sizes from 1-3' to 12' hammers with various shank connections.

Full Customization: Offers customization from samples, designs, full customization, and minor customization.

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: ≤1.52h

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.

Product Q&A

Q:What are the main advantages of this DTH hammer?

It features reliable valve air distribution, a simple piston design for long life, efficient energy transfer, lower air and oil consumption, fewer internal parts, and easy maintenance due to heat-treated parts.

Q:What materials and certifications does the hammer have?

The hammer is made of alloy steel using a forging process with spray-paint surface treatment. It is certified under ISO 9001:2000 and meets JIS and ASTM standards.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 piece.

Q:What are the payment terms accepted?

We accept LC, T/T, PayPal, Western Union, and small-amount payments.

Q:What is the lead time for production?

The average lead time is one month for both peak season and off-season.