What is your minimum order quantity?

Our MOQ are 1pc or 1 complete set, the price may rely on the order quantity.

What is your payment term?

We can accept T/T, L/C at sight, West union and in cash.

How about the delivery time?

It all depends, generally it takes about one month both in peak and off season.

Can we make an appointment to visit your company?

Definitely. You are the most welcome. Please inform us your arrival time in any place of China and initial routine in advance. We can reserve the hotel, offer pickup service from Changsha Huanghua airport or the CHR Express station upon your arrival and after the appointment. Be our guest then! Welcome our dearest customers to Visit our factory and to choose our great product ranges!

5inch High Air Pressure DTH Drilling Hammers DHD350, SD5, Ql50, Mission50, Cop54

Name: 5inch High Air Pressure DTH Drilling Hammers DHD350, SD5, Ql50, Mission50, Cop54
Brand: Changsha Chaojingang Machinery Manufacturing Co., Ltd.
SKU: 1926602675

Hunan, ChinaChangsha Chaojingang Machinery Manufacturing Co., Ltd.

US$50.00-200.00

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

Foot Valve Free Design: Eliminates breakage risks, offers 15-30% higher drill speed and 10% lower oil consumption.

Durable Material: Constructed from premium alloy steel with hardened procedures for extended lifespan.

Competitive Pricing: Offers unbeatable prices compared to famous brands while maintaining superior quality.

Global Reputation: Trusted by customers in France, Spain, South Africa, Australia, Iran, Malaysia, and more.

OEM/ODM Service: Accepts both OEM and ODM orders with customization from samples or designs.

ISO Certified Quality: Manufactured under ISO 9001:2000 and ISO 9001:2008 standards with strict 100% inspection.

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: ≤4.73h

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:Are you a manufacturer or a trade company?

We are a manufacturer of rock drilling equipments and pneumatic tools in China.

Q:How many workers are in your factory and what is your company scale?

We have more than 100 employees, including factory workers, sales people, QC, R&D and management team. With a land area of 26600 m2 and workshop space of 22000 m2. We are equipped with over 400 sets of different advanced equipments and facilities required for manufacturing rock drilling machine and pneumatic tools. Over 50-70% for export which covers most of the global markets including Korea, Malaysian, Australia, Russia, Middle Asian, East, Europe, South America, and Africa etc..

Q:Why choose CJG DRILL?

1) We have more than 17 years of researching, developing, manufacturing and exporting high quality rock drilling equipments and penumatic tools to the global market. 2) High quality compatible with Sandvik, Atlas Copco, Ingersoll Rand etc... 3) Unbeatable price 4) Excellent service.

Q:Which port do you ship from?

We usually ship container from Shanghai port. Guangzhou port is available too.

Q:Can you accept OEM and ODM?

Yes, both of them are acceptable.