What is the average lead time for delivery?

The average lead time is one month, regardless of whether it is peak season or off-season.

What types of drive mechanisms are available?

We provide both pin drive and square drive options for master bushings and roller kelly bushings.

What is the material used for the bushings?

The bushings are made from stainless steel with a spray-paint surface treatment.

Cu, cUL, CB Casing Bushing

Name: Cu, cUL, CB Casing Bushing
Brand: Dongying Lake Petroleum Technology Co., Ltd.
SKU: 1914788981

Shandong, ChinaDongying Lake Petroleum Technology Co., Ltd.

US$2,200.00

1 Piece

Sample price:US$2200.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

3 Months

Manufacturing Process

Forging

Surface Treatment

Spray-Paint

Operation Pressure

Atmospheric Pressure

Material

Stainless Steel

Transport Package

Wooden Case

Specification

standard

Trademark

Lake Petro

Origin

Shangdong, China

HS Code

84749000

Production Capacity

500 PCS/ Month

Key features

API Spec 7K Compliance: Manufactured strictly according to API Spec 7K for drilling and well servicing equipment.

Wide Size Range: Handles casing sizes from 2-3/8 inch to 30 inch OD, with master bushings up to 49-1/2 inch.

Stainless Steel Material: Constructed from high-quality stainless steel with spray-paint surface treatment for durability.

Multiple Bushing Types: Offers solid (CU/CUL), split (CB), and master bushings with pin or square drive options.

OEM/ODM Customization: Supports full customization, minor customization, and flexible customization from samples or designs.

Comprehensive Accessories: Includes bit breaker adapters, lifting slings, and roller kelly bushings for complete well servicing.

Flexible Payment Terms: Accepts LC and T/T payment methods with negotiable MOQ for business flexibility.

Fast Lead Time: Average lead time is one month for both peak and off-season periods.

Company profile

Exhibition ExperienceMulti-language PioneerYears of Export ExperienceCooperated with Fortune 500

Dongying Lake Petroleum Technology Co., Ltd.

Shandong, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 14 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤3.17h

AI-Powered supplier vetting

SummaryThe supplier demonstrates customization, ODM, and OEM capabilities, with a new product reported in the past year and AutoCAD-based R&D. Quality processes include raw-material traceability, documented inspection instructions, and random finished-product inspection, but only one quality inspector is reported. Service procedures and complaint-handling procedures are documented and followed, although corrective/preventive actions lack written records. Overseas service infrastructure is limited: no overseas warehouse, showroom, agents, or branches, and overseas service coverage is listed as zero. Financial, certification, production scale, and customer-case evidence is insufficient for a definitive assessment. Sustainability and digital-management capabilities appear limited, with no ERP, CRM, SAP, or AI-based management implementation reported.

Supplier typeThe supplier is identified through its capabilities as a professional technical supplier, provides ODM services, and supplies OEM services for well-known brands. This supports classification as a technical manufacturing/OEM-ODM supplier, although the slices do not state a formal legal or industry supplier category.

After-Sales capabilityThe supplier has a clear customer-complaint handling procedure with followed records, and service assessment procedures with written procedures and records. However, it reports no overseas warehouse, showroom, agents, or branches, which limits documented overseas service infrastructure.

R&D capabilityThe supplier reports new products in the past year, ODM capability, AutoCAD use, and professional technical-supplier status. Conversely, it reports zero patents, no private mold design capability, no 3D software design service, no SDK, and no AI, ERP, CRM, or SAP-based digital-management capability, indicating some product-development capacity but limited documented innovation infrastructure.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, and also reports ODM service availability. This is direct evidence of broad customization capability.