What certifications do you have?

Our products are certified with ISO 9001:2008.

Can you customize the drill pipes?

Yes, we can produce drill pipes of different materials, lengths, diameters, and wall thicknesses according to customer requirements.

Factory Price Mining Machinery 3 1/2 Inch Reverse Circulation Drilling RC Drill Pipe/Rod

Name: Factory Price Mining Machinery 3 1/2 Inch Reverse Circulation Drilling RC Drill Pipe/Rod
Brand: Shijiazhuang Weilida Prospecting Machinery Co., Ltd.
SKU: 2178378765

Hebei, ChinaShijiazhuang Weilida Prospecting Machinery Co., Ltd.

US$120.00

20 Pieces

Sample price:US$76.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

6 Months

Warranty

6 Months

Model NO.

3 1/2

Certification

ISO 9001:2008

Surface Treatment

Nitridation

Manufacturing Process

Forging

Material

Stainless Steel

Item

Reverse Circulation Drill Pipe

Steel Grade

R780

Diameter

89mm

Thread

API Standard Thread

Delivery Time

7-15 Days

Application

Geothermal or Drilling

Transport Package

Bundle

Specification

3 1/2

Trademark

WEILIDA

Origin

China

HS Code

8431431000

Production Capacity

300pieces/Month

Key features

High-Strength Alloy Steel: Made of high-strength alloy steel and wear-resistant inner tube for extended service life.

Customizable Specifications: Custom materials, lengths, diameters, wall thicknesses, and threads according to customer needs.

Advanced Manufacturing: Precision CNC lathes, friction welding, and internal thickening process for stable quality.

ISO 9001 Certified: Quality management system established in accordance with ISO9001 for reliable performance.

Professional Manufacturer: Direct factory with 35 years experience, integrating design, manufacturing, and sales.

Comprehensive Testing: Equipped with thread gauges, flaw testing, and hardness testing for strict quality control.

Versatile Application: Suitable for geothermal drilling, water wells, oil drilling, and geological exploration.

Wear-Resistant Joints: Surface phosphating and nitriding treatment makes joints wear-resistant and easy to disassemble.

Company profile

Shijiazhuang Weilida Prospecting Machinery Co., Ltd.

Hebei, China

Business Type: Manufacturer/FactoryExport Year: 2022-06-20Nearest Port: TianjinAverage Response Time: ≤7.59hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryShijiazhuang Weilida Prospecting Machinery Co., Ltd. is identified as a Chinese manufacturer/factory and limited company producing drill pipes, drilling tools, drill rigs, and related components. Evidence indicates an established operation founded in 1988, with an approximately 13,000-square-meter factory, 80 employees, three production lines, CNC and friction-welding equipment, and testing capability. The supplier reports ISO 9001 and ISO 14001 certifications, export capability, broad international markets, and stated lead times of within 15 workdays off-season and one month during peak season. It can produce multiple national and international standard specifications and design special products to customer requirements. However, the provided information does not substantiate after-sales service processes, customer case references, or financial credibility. Innovation capability is supported only by limited evidence of R&D personnel and product-design activity.

Supplier typeThe supplier is described as both a trade company in one record and a Manufacturer/Factory in another. Its product, factory, address, and business descriptions consistently support that it operates as a manufacturing supplier specializing in drilling machinery and tools, although the records contain a classification inconsistency.

CertificationsThe supplier reports ISO 9001 and ISO 14001 management-system certifications. Its company description also states that a quality management system was established in accordance with ISO 9001 and is operated through formal personnel training.

R&D capabilityThe supplier reports 6–10 years of total R&D engineer experience and states that it can design and manufacture special drill-pipe and drilling-tool specifications. It also describes efforts to enhance product technical content, providing positive but limited evidence of innovation capability.

Production capacityProduction capability is supported by three production lines, a 13,000-square-meter modern factory, 80 employees, CNC lathes, friction-welding and pipe-end processing equipment, complete production facilities, and a product range covering drill pipes, drilling tools, rigs, and related components. The supplier also reports quality-control personnel and broad export-market coverage.

Customization capabilityThe supplier explicitly states that it can manufacture various national, Russian, American, and European standard products and can design and produce special specifications according to customer needs. It also indicates that mechanical-performance testing of drilling tools can be conducted as required.