Which port do you ship from?

We usually ship containers from Shanghai Port, and Guangzhou Port is also available.

What is your warranty policy?

Our products are made of high-quality steel, and all spare parts are strictly inspected before shipping. We provide quick responses to complaints and suggestions.

Can I visit your factory?

Yes, you are welcome to visit. Please inform us of your arrival time in advance so we can reserve a hotel and offer pickup service from Changsha Huanghua airport or the CHR Express station.

4 Inch High Air Pressure DTH Hammer Hard Rock Water Well Drilling Mining DTH Hammer

Name: 4 Inch High Air Pressure DTH Hammer Hard Rock Water Well Drilling Mining DTH Hammer
Brand: Changsha Chaojingang Machinery Manufacturing Co., Ltd.
SKU: 1958158262

Hunan, ChinaChangsha Chaojingang Machinery Manufacturing Co., Ltd.

US$50.00-200.00

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 Compatibility: Matches over 95% of original brand products for seamless replacement.

Premium Durability: Made of high-quality alloy steel with premium hardened procedures for long life.

Customization Support: Accepts OEM and ODM services with customized designs and samples.

Competitive Pricing: Offers best quality against small factories and competitive prices against famous brands.

Stable Lead Time: Full production chain ensures stable and prompt delivery within one month.

Global Reputation: Trusted by customers worldwide including Europe, Africa, Australia, and Asia.

Professional Expertise: Over 17 years of experience in R&D, manufacturing, and exporting rock drilling tools.

Strict Quality Control: 100% inspection of finished products and strict spare parts checks before shipping.

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: ≤5.67h

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.