What certifications does the product have?

The product has ISO 9001:2000 and ISO 9001:2008 certifications.

What are the available transportation methods?

Transportation can be arranged by air, express, or sea according to customer requests.

4inch High Air Pressure DTH Hammers

Name: 4inch High Air Pressure DTH Hammers
Brand: Changsha Chaojingang Machinery Manufacturing Co., Ltd.
SKU: 1918657575

Hunan, ChinaChangsha Chaojingang Machinery Manufacturing Co., Ltd.

US$50.00-2,000.00

1 Piece

Sample price:US$300.00/piece.Request sample

Product profile

Customization

Available

Certification

ISO 9001:2000, ISO 9001:2008

Surface Treatment

Spray-Paint

Manufacturing Process

Forging

Material

Alloy Steel

Connection Thread

API 2 3/8" Reg

Hole Range

Dia 110 - 135 mm

Working Pressure

1.0 - 2.5MPa

Compatible Bit Shank

Cop44, DHD340, Ql40, M40, SD4, CD45

Transport Package

Ply-Wooden Cases for Exporting

Specification

2 inch to 12 inch

Trademark

Super Diamond

Origin

China

HS Code

8207199000

Key features

Customizable Design: Design and manufacture according to customer requirements on bit dia, air holes, and shape.

Wide Compatibility: Compatible with Sandvik, Atlas Copco, and various shanks like COP44, DHD340, QL40.

High Quality Material: Made of premium hardened alloy steel with strict inspection for long life.

Experienced Team: Technicians and engineers with over 15 years of field experience.

Stable Lead Time: Full production chain ensures stable and prompt delivery within 15-30 days.

ISO Certified: Manufacturing process certified under ISO 9001:2000 and ISO 9001:2008 standards.

Versatile Application: Widely used in mining, tunneling, quarrying, construction, and civil engineering.

Flexible Customization: Options for connection thread, hole range, working pressure, and compatible bit shank.

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: ≤1.65h

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:Can the product be customized?

Yes, we can design and manufacture according to customer requirements on bit diameter, number, air holes, carbide button shape, and bit face shape.

Q:What is the production lead time?

Generally, the production lead time is 15-30 days. Peak season and off-season lead times are both approximately one month.

Q:What is the minimum order quantity?

The minimum order quantity is 1 piece.

Q:What payment terms are accepted?

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

Q:What is the warranty policy?

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