What certifications do you have?

Our products are certified under ISO 9001:2000 and API 7-1 standards.

What is the lead time for orders?

The average lead time is one month for both peak and off-peak seasons.

Can you customize the products?

Yes, we offer customization from samples, designs, full customization, minor customization, and flexible customization options.

Downhole Stop Collars with Screws for Casing Centralizer

Name: Downhole Stop Collars with Screws for Casing Centralizer
Brand: Dongying Lake Petroleum Technology Co., Ltd.
SKU: 1935916335

Shandong, ChinaDongying Lake Petroleum Technology Co., Ltd.

US$6.00-8.00

1 Piece

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Provide

Warranty

One Year

Model NO.

api

Certification

ISO 9001:2000, API 7-1

Power Source

Operation Pressure

Downhole Pressure

Applicable Medium

Mud, Crude Oil

Structure

API Downhole Rotating Casing Spear

Material

Steel

Product Name

Downhole Stop Collars with Screws

Application

to Limit Sliding of Casing Centralizer

MOQ

100ea

Transport Package

Iron Pallet

Specification

API standard sizes

Trademark

lake

Origin

Shandong Dongying

HS Code

84314310

Production Capacity

50000000pieces/Year

Key features

High Load Capacity: Hinged collars hold up to 15,000 lb; slip-on set-screw collars hold up to 20,000 lb.

Wide Size Range: Available for casing O.D. 4.5-20 inches and stop collar O.D. 131-540 mm.

Multiple Structure Types: Offers slip-on, hinged spiral nail, hinged bolted, and hinged set screw styles.

International Certification: Products certified under ISO 9001:2000 and API 7-1 standards.

One Year Warranty: Comprehensive one-year warranty coverage provided for all products.

Third-Party Inspection: Supports third-party inspections by BV, SGS, and TUV for quality assurance.

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

Professional QC System: Strict inspection and testing by experienced QC staff before every shipment.

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: ≤2.10h

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.

Product Q&A

Q:How to place an order?

Send your inquiry with detailed item description or model number. We will provide a quotation and order form. If no specific packing is requested, we use standard export packing.

Q:What payment methods are accepted?

We accept T/T (Telegraphic Transfer) or L/C at sight for payment.

Q:What are the shipping options?

For sample orders, we suggest courier express (DHL/UPS/TNT/FEDEX) or air freight. For bulk orders, we suggest air or sea freight.

Q:Is quality inspection available?

Yes, we have experienced QC staff performing strict inspections. We also welcome third-party inspections by BV, SGS, and TUV.

Q:What is the warranty period?

We provide a one-year warranty for our products.