What are the delivery times?

Delivery time is 3-30 days after confirming the order, depending on production season and quantity.

Is OEM or ODM service available?

Yes, both OEM and ODM services are available with full customization options.

What payment terms are accepted?

Accepted payment terms include LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

PDC Drill Three-Wing Concave Coreless Rock Drilling Bit PDC Diamond Drilling Bit for Coal Mining

Name: PDC Drill Three-Wing Concave Coreless Rock Drilling Bit PDC Diamond Drilling Bit for Coal Mining
Brand: Zhengzhou Ruizuan Diamond Tool Co., Ltd.
SKU: 1963630611

Henan, ChinaZhengzhou Ruizuan Diamond Tool Co., Ltd.

US$90.00-300.00

10 Pieces

Sample price:US$300.00/piece.Request sample

Product profile

Customization

Available

Customized

Length

Jobber-length

Type

PDC Concave Bit

Material

Diamond

Usage

Well Drilling, Rock Drilling,Coal Field, Geological Exploration

Product Name

PDC Concave Drill Bit

Color

Gold,Grey

Size

50mm-153mm

Quality

High Level

Hardness

Standared

Advantage

High Wear Resistant

Package

Standard Packging

Related Products

Oil Drilling Bits

Application

Coal Mining, Rock Drilling, Water Well,

Use

Geological Exploration

Transport Package

Standard Packaging

Specification

50mm, 55mm, 65mm, 75mm, 94mm, 113mm, 133mm, 153mm

Trademark

Origin

China

Production Capacity

1000000pieces/Year

Key features

Extended Drilling Life: Drilling life is 20-40 times longer than tungsten carbide bits.

High Efficiency: Drilling efficiency is 50% higher compared to tungsten carbide bits.

Customizable Colors: Available in Gold, Grey, or fully customized colors.

Wide Size Range: Sizes available from 50mm to 153mm including 55mm, 65mm, etc.

Advanced Design: Features advanced geometric design with good gauge protection.

Durable Material: Made with high-grade metal powder and erosion-resistant matrix.

Full Customization: Can be made according to customer's detailed requirements.

Versatile Application: Suitable for coal mining, rock drilling, water wells, and geological exploration.

Company profile

High Repeat Buyers ChoiceFast DeliveryCustomization from DesignsR&D Capabilities

Zhengzhou Ruizuan Diamond Tool Co., Ltd.

Henan, China

Business Type: Trading CompanyAverage Response Time: ≤1.89h

AI-Powered supplier vetting

SummaryZhengzhou Ruizuan Diamond Tool Co., Ltd. is identified as a limited trading company in Zhengzhou with 19 employees and valid import/export licensing. It offers full customization, ODM, and OEM services, has substantial export exposure, and reports nine years of export experience. Operational strengths include in-stock service capacity, overseas warehouse capability, multiple quotation and payment options, and documented complaint-handling procedures. However, several controls remain undocumented or incomplete, including corrective and preventive action procedures, raw-material traceability, outsourcing manufacturing procedures and contracts, and fire-drill status. The supplier has no overseas showroom, no SDK availability, and no explicit production-facility evidence. An SGS audit is recorded, but the stated audit result is 0 and the report validity ended in 2024; the provided data does not explain the scoring system or confirm current certification status.

Supplier typeThe supplier is described as a limited company and a trading company located in Zhengzhou, with 19 employees and valid import/export licensing. Its primary offerings are hardware products and ordinary mechanical equipment, while no larger-company affiliation is indicated.

After-Sales capabilityThe supplier has a clear customer-complaint procedure with follow-up records and describes a commitment to customer service. It also reports in-stock capability, overseas warehouse capability, multiple quotation and payment terms, and defined peak- and off-season lead times; however, corrective and preventive-action procedures are not documented.

R&D capabilityThe supplier provides ODM services and full customization or customization from designs, indicating design-related capability. It does not provide an SDK, and the available information does not establish broader research investment, proprietary technology, or measurable innovation outcomes.

Customization capabilityThe supplier explicitly offers full customization and customization from designs, as well as ODM services. These statements directly support a capability to provide customized products and design-based manufacturing services.

Client casesThe supplier states that it provides OEM services for well-known brands and reports that exports represent 71%–90% of total sales, with nine years of export experience. These are indications of relevant customer and international-market experience, but no customer names, project details, or independently verifiable case studies are provided.