Q: do you agree sample order?

A: Yes, we are welcome your sample order to testing our quality

Q: Does your drill pipe have rust prevention?

A: Yes, every drll pipe will be with the rust prevention bypaintrosippeadsufewe nridd

Q: do you have after-sale servic and warranty service?

A: Any quaity or quany beob y you wn 24 hours

Q: How about you minimun orde quantity?

A: At least 10 pieces Smal orders also can accept Related Products

4/1 2 114mm Double Wall Reverse Circulation RC Drill Pipe Reverse Circulation Drill Pipe

Name: 4/1 2 114mm Double Wall Reverse Circulation RC Drill Pipe Reverse Circulation Drill Pipe
Brand: Shijiazhuang Weilida Prospecting Machinery Co., Ltd.
SKU: 2184861052

Hebei, ChinaShijiazhuang Weilida Prospecting Machinery Co., Ltd.

US$220.00

1 root

Product profile

Customization

Available

Type

Drill Pipe

Application

Reverse Circulation

Model NO.

4 1/2 114mm

Certification

ISO9001: 2000

Condition

New

Transport Package

Bundling

Specification

4 1/2 114mm

Trademark

WEILIDA DRILL

Origin

China

HS Code

8431431000

Key features

Made from high-strength alloy steel grades such as R780, G105, and S135 from top mills like Baosteel, offering excellent fatigue resistance and corrosion resistance.

Upset end thickening combined with friction welding technology, plus high-strength threads machined by precision CNC lathes.

Manufacturers also typically suppor customization in length, wall thickness, and thread specifications to suit various workingconditions.

Company profile

Shijiazhuang Weilida Prospecting Machinery Co., Ltd.

Hebei, China

Business Type: Manufacturer/FactoryExport Year: 2022-06-20Nearest Port: TianjinAverage Response Time: ≤6.14hTerms 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.