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.

What materials are used in manufacturing?

The hammers are made from alloy steel with a forging manufacturing process and spray-paint surface treatment.

China Factory Super Diamond 5inch DTH Hammer Ql50

Name: China Factory Super Diamond 5inch DTH Hammer Ql50
Brand: Changsha Chaojingang Machinery Manufacturing Co., Ltd.
SKU: 1940598505

Hunan, ChinaChangsha Chaojingang Machinery Manufacturing Co., Ltd.

US$50.00-1,000.00

1 Piece

Product profile

Customization

Available

Certification

ISO 9001:2000, ISO 9001:2008

Surface Treatment

Spray-Paint

Manufacturing Process

Forging

Material

Alloy Steel

Connection Thread

API 3 1/2" Reg, API 3 3/8" Reg

Hole Range

Dia 135 - 155 mm

Working Pressure

1.0 - 2.5MPa

Compatible Bit Shank

Cop54, DHD350, CD55, Ql50, Mission50, SD5

Transport Package

Ply-Wooden Cases for Exporting

Specification

2 inch to 12 inch

Trademark

Super Diamond

Origin

China

HS Code

8207199000

Key features

Customizable Specifications: Custom connection threads, hole ranges, working pressure, and compatible bit shanks available.

Premium Material Quality: Made from high-quality alloy steel with premium hardened procedures for extended service life.

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

Experienced Technical Team: Over 15 years of experienced technicians and engineers ensure accurate client demand fulfillment.

Stable Production Lead Time: Full production chain ensures stable and prompt lead times, generally 15-30 days.

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

Flexible Packaging Options: Standard carton and plywood protection with acceptable customized packaging solutions.

Global Service Reputation: Trusted by worldwide customers in Brazil, Peru, South Africa, Australia, and more.

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: ≤2.96h

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 is the production lead time?

Generally, production takes 15-30 days. Peak season lead time is one month, and off-season lead time is also one month.

Q:What is the minimum order quantity?

The minimum order quantity is 1 piece.

Q:What payment terms do you accept?

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

Q:What certifications does the product have?

The product is certified under ISO 9001:2000 and ISO 9001:2008 standards.

Q:How is the product packaged for shipping?

Products are packed in carton boxes with foam, then placed in plywood cases or pallets to prevent damage during transportation. Customized packaging is acceptable.