What are the available shipping methods?

Transportation is available by air, express, or sea according to your requests.

What is the warranty policy?

We provide quick responses for complaints and suggestions, and all spare parts are strictly inspected before shipping.

Where is your factory located?

Our factory is located in LiuYang city, HuNan province, China.

DHD340 Rock Drilling DTH Bit for 4inch DTH Hammer

Name: DHD340 Rock Drilling DTH Bit for 4inch DTH Hammer
Brand: Changsha Chaojingang Machinery Manufacturing Co., Ltd.
SKU: 1921733675

Hunan, ChinaChangsha Chaojingang Machinery Manufacturing Co., Ltd.

US$50.00-2,000.00

50 Pieces

Sample price:US$200.00/piece.Request sample

Product profile

Customization

Available

Transport Package

Ply-Wooden Cases for Exporting

Specification

105 - 130mm

Trademark

Super Diamond

Origin

China

HS Code

8207199000

Key features

Premium Hardened Material: High quality raw material with premium hardened procedures for secure long life.

Full Production Chain: Ensures stable and prompt production leadtime with experienced senior technicians.

Customization Options: Accepts customization from samples, designs, full customization, and minor customization.

Strict Quality Inspection: All spare parts are inspected strictly before shipping with 100% visual and function checks.

ISO9001:2015 Certified: Manufacturing process follows ISO9001:2015 management system certification standards.

Fast Response Service: Quick and efficient service with rapid responses to customer complaints and suggestions.

Flexible Shipping Options: Transportation available by air, express, or sea according to customer requests.

Competitive Pricing: Professional service and competitive price with good reputation from worldwide customers.

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: ≤10.10h

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.