What is the lead time for orders?

The average lead time is within 15 workdays for both peak and off-peak seasons.

What payment methods do you accept?

We accept LC, T/T, D/P, PayPal, Western Union, Money Gram, and small-amount payments.

What is the maximum tubing coupling OD?

The maximum tubing coupling OD is 4 1/2 inches.

Certificate 3-1/2" Tubing and Casing Coupling for Sale

Name: Certificate 3-1/2" Tubing and Casing Coupling for Sale
Brand: Shijiazhuang Jimai Machinery Equipment Technology Co., Ltd.
SKU: 2177534355

Hebei, ChinaShijiazhuang Jimai Machinery Equipment Technology Co., Ltd.

US$10.00

100-499 Pieces

US$9.50

500+ Pieces

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

all

Manufacturing Process

Upsetting

Surface Treatment

Spray-Paint

Operation Pressure

Atmospheric Pressure

Material

Stainless Steel

Color

Support Customization

Grade

K55 J55 L80 N80 P110

Thread

EU Nu

Applicable Medium

Oil

Transport Package

Standard Export Packing

Specification

standard

Trademark

Origin

China

HS Code

790799000

Production Capacity

50000/Month

Key features

Customizable Color: Color customization is supported to meet specific client requirements.

Upset Connection Design: Features internal and external upset (EUE) designs for superior stress resistance.

Fatigue Fracture Prevention: Tapered thread connection prevents fatigue fracture and pipe string breakage.

1-Year Warranty Coverage: Includes a comprehensive 1-year warranty for mechanical defects.

1-Year After-Sales Support: Dedicated after-sales service provided for 1 year following purchase.

Stainless Steel Material: Constructed from high-quality stainless steel for durability and corrosion resistance.

Flexible Customization: Supports full, minor, and flexible customization from samples or designs.

Company profile

Importers and ExportersFast DeliveryR&D Capabilities

Shijiazhuang Jimai Machinery Equipment Technology Co., Ltd.

Hebei, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2024-01-01Nearest Port: TianjinAverage Response Time: ≤2.72h

AI-Powered supplier vetting

SummaryShijiazhuang Jimai Machinery Equipment Technology Co., Ltd. is identified as a trading company and limited company offering water well drilling rigs and mud pumps. It reports OEM service for well-known brands, broad customization options, and substantial export activity, with self-operated import and export rights stated. The supplier describes independent development and production of water well drilling rigs and accumulated maintenance and after-sales experience. However, it has only three employees, no inventory, overseas warehouse, overseas showroom, overseas agents or branches, and no recorded participation in offline trade shows. The provided information confirms financial records for 2021–2023 but does not disclose financial results. An SGS audit is listed, although the audit result is recorded as 0 and the report validity shown ended on 2025-05-07. No specific certifications or customer cases are provided.

Supplier typeThe supplier is explicitly classified as a trading company and a limited company. Its listed offerings are water well drilling rigs and mud pumps, while its business scope includes machinery sales, construction and mining machinery, import/export, and technology services.

After-Sales capabilityThe supplier states that it has accumulated maintenance technology and after-sales handling experience through extensive user contact and usage data. It lists equipment installation as an overseas service offering, but has no overseas agents or branches and serves zero listed countries, indicating limited documented international service coverage.

R&D capabilityThe supplier states that it independently develops and produces a new generation of water well drilling rigs and provides technology development and promotion services. However, it reports no available SDK, and no specific patents, R&D personnel, facilities, or measurable innovation outcomes are provided.

Customization capabilityThe supplier explicitly lists customization from samples, customization from designs, full customization, minor customization, and flexible customization. This directly indicates broad stated customization coverage.