How do you ensure product quality?

All spare parts are inspected strictly before shipping, and we have 4 QA/QC inspectors performing 100% visual and function inspections.

What is the warranty policy?

We provide a quality warranty where products are made of high-quality steel, and we offer quick responses to complaints and suggestions.

What are the available working pressures?

Working pressures range from 1.0-3.0Mpa for smaller models to 1.5-3.5Mpa for larger models depending on the specific shank type.

Hot Selling High Quality China Supplier Reverse Circulation Rock Drilling Bit Ad670 for RC Hammer

Name: Hot Selling High Quality China Supplier Reverse Circulation Rock Drilling Bit Ad670 for RC Hammer
Brand: Changsha Chaojingang Machinery Manufacturing Co., Ltd.
SKU: 1944228015

Hunan, ChinaChangsha Chaojingang Machinery Manufacturing Co., Ltd.

US$50.00-1,000.00

1 Piece

Product profile

Customization

Available

Certification

ISO 9001:2008

Surface Treatment

Spray-Paint

Manufacturing Process

Forging

Material

Alloy Steel

Mining Type

Mining

Advantage

High Performance

Color

Per Request

Transport Package

Ply-Wood Case for Safe Delivery

Specification

3inch to 5.5inch

Trademark

Super Diamond

Origin

China

HS Code

8412310090

Production Capacity

50, 000PCS / Year

Key features

Customizable Color: Color is available per customer request.

High Performance Material: Manufactured from alloy steel with premium hardened procedures for long life.

ISO 9001 Certified: Factory holds ISO 9001:2008 certification ensuring quality management.

Wide Size Range: Available in 3 to 5.5 inch sizes with multiple shank types like RE531 and AD670.

Custom Packaging: Standard ply-wooden cases available; custom packaging accepted upon request.

Fast Response Service: Experienced technicians and engineers provide quick and efficient service.

Full Production Chain: In-house manufacturing secures stable and prompt production lead times.

Global Shipping Options: Transportation available by air, express, or sea according to customer needs.

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: ≤1.29h

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.