Do you test all your goods before delivery?

Yes, we have 100% test before delivery

How do you maintain long-term business relationships?

1. We keep good quality and competitive price to ensure our customers benefit ; 2. We respect every customer as our friend and we sincerely do business and make friends with them

Down The Hole DHD340 DTH 4 Inch DTH Hammer

Name: Down The Hole DHD340 DTH 4 Inch DTH Hammer
Brand: Ji Ning Hengwang Mining Machinery Co., Ltd.
SKU: 770729112

Shandong, ChinaJi Ning Hengwang Mining Machinery Co., Ltd.

US$1,000.00-1,100.00

2 Pieces

Sample price:US$1000.00/piece.Request sample

Product profile

After-sales Service

Yes

Warranty

1year

Certification

Model NO.

SP580

Standard

AISI

Surface Treatment

Polishing

Manufacturing Process

Casting

Material

Carbon Steel

Length(Less Bit)

970mm

Weight

64kg

Outer Diameter

C126mm

Connection Thread

API2 3/8"Reg

Bit Shank

Sp580

Hole Range

C136«55mm

Work Pressure

1.2-2.2 MPa

Recommended Rotation Speed

30-60 R/Min

Transport Package

Wooden Case

Specification

SP580

Trademark

Origin

China

Production Capacity

600pieces/Month

Key features

High-Quality Alloy Steel: Made of high quality alloy steel with advanced heat treatment for long service life.

CE Certification: Manufactured according to international standards with CE certification.

Wide Compatibility: Well compatible with major brands like Atlas Copco and Ingersoll-Rand.

100% Pre-Delivery Testing: All goods undergo 100% testing before delivery to ensure quality.

1-Year Warranty Coverage: Includes one year warranty or 2000h, with free parts and engineer support.

Full Customization Available: Offers customization from samples, designs, and full customization options.

Global Export Experience: Exported to Middle East, Africa, and South America for over 13 years.

Professional Manufacturer: Direct manufacturer with own factory for better cost and quality control.

Company profile

High Repeat Buyers ChoiceR&D CapabilitiesSelf-brandedOverseas Warehouse

Ji Ning Hengwang Mining Machinery Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 13 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤9.66h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryHengwang is a machinery and equipment supplier covering drilling machinery, engineering machinery, components, mining tools, hydraulic and pneumatic tools, construction equipment, and related accessories. It operates three production lines and reports defined output across several product categories, with exports to South America, Southeast Asia, the Middle East, and Europe. The supplier demonstrates customization capability, quality-control procedures, material traceability, complaint-handling records, overseas service offerings, and CE certification. However, it does not provide OEM services for popular brands, has no available SDK, and evidence for customer cases and financial strength is insufficient because the supplied financial fields identify years rather than substantive financial indicators.

Supplier typeThe supplier is a manufacturer and seller of mining, drilling, hydraulic, construction, and engineering machinery and accessories. Its stated scope includes production, processing, sales, and general import/export, while its product portfolio covers more than 40 categories across drilling machinery, engineering machinery, and components.

CertificationsThe supplier reports CE certification and states that its quality-control process includes quality assurance and traceability of raw materials. These are explicit indicators of certification and supporting quality-control practices.

After-Sales capabilityThe supplier has a documented complaint-handling procedure with follow-up records, a corrective and preventive action procedure with records, and overseas services including debugging, maintenance, repair, training, and equipment installation in Indonesia. Peak- and off-season lead times are both stated as within 15 working days, although supplier-service assessment records are incomplete.

R&D capabilityThe company describes a comprehensive product research and development layout driven by technological innovation and covering drilling, engineering, and component products. However, it reports no available SDK and no OEM service for popular brands, so the evidence supports product-development activity but not a broader technology-integration or branded-OEM advantage.

Production capacityThe supplier operates three production lines and reports annual output of 1,000 pile drivers, 1,500 water well drilling rigs, 2,000 road machinery units, 3,000 construction equipment units, and 10,000 hydraulic tool sets. It also has 28 quality assurance and quality control inspectors, indicating established production and quality-control capacity.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, and minor customization. The range of stated options indicates broad accommodation of customer-specific requirements.

Product Q&A

Q:Are you a manufacturer or trader?

We are manufacturer of drilling rig and drilling accessories. Actually, we produce most of the parts in our own factory for better cost and quality control.

Q:What are your terms of payment?

T/T 30% as deposit, and 70% against copy of B/L.

Q:What is your delivery time?

Generally, it will take 7 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order. Sometimes we have some in stock.

Q:Do you accept dealership with local companies?

Yes, we are quite interested in this business. We'd like to cooperate with some local partner to sell more World machines in local market and supply better service.

Q:What is your warranty policy?

We can supply one year warranty or 2000h for our machines. We will provide parts as free within warranty. We can send engineer to customer place if big quality problem. We can provide internet or calling service at any time.