Is customization available?

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

What is the delivery time?

The standard delivery time is 10-15 days.

API Standard 5-1/2 Stc Ltc Btc Casing Thread Protector

Name: API Standard 5-1/2 Stc Ltc Btc Casing Thread Protector
Brand: Dongying Lake Petroleum Technology Co., Ltd.
SKU: 2015772745

Shandong, ChinaDongying Lake Petroleum Technology Co., Ltd.

US$1.00

10-99 Pieces

US$0.80

100+ Pieces

Product specifications

5-1/2

Sample price:US$15000.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Provide

Warranty

One Year

Model NO.

5-1/2 inch

Certification

ISO 9001:2000, API

Power Source

All

Operation Pressure

Atmospheric Pressure

Applicable Medium

Crude Oil

Structure

Customizable

Material

Customizable

Thread Type

Ltc Btc Stc

Size

5-1/2

Material 1

Plastic

Type

Heavy

Use for

Casing Pipe

Delivery Date

10-15days

Standard

API

Mode of Transportation

Air Train Ocean

Test

Size

Quality

Good

Transport Package

Wooden /Iron Pallet

Specification

customizable

Trademark

lake

Origin

Shandong Dongying

HS Code

7204210000

Production Capacity

5000pieces/Year

Key features

API Standard Compliance: Designed based on API 5CT Annex I and follows API Q1 quality inspection standards.

Durable Material Options: Constructed from HDPE, Steel, or Heavy Duty Plastic for high impact and stress resistance.

Customizable Structure: Structure and material can be customized to meet specific client requirements.

Wide Connection Compatibility: Supports NC, REG, IF, FH, DSTJ, VX, VF, HT, and PAC connection types.

ISO 9001 Certification: Production strictly follows ISO 9001:2008 standards with third-party inspection welcome.

Fast Delivery Time: Delivery completed within 10-15 days with flexible shipping options.

Comprehensive Warranty: Includes a one-year warranty covering mechanical defects.

Professional OEM/ODM Service: Offers full customization, minor customization, and design-based customization.

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: ≤3.02h

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 order?

Please send an inquiry with detailed item description or model number. We will provide an order form and recommend the most suitable model based on your requirements.

Q:Can I expect quality products?

Yes, all production follows ISO 9001:2008 and API standards. We welcome third-party inspections from BV, SGS, and TUV.

Q:What are the payment methods?

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

Q:How do you handle shipping?

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

Q:What is your quality control process?

We have experienced QC staff who perform strict inspection and testing on every order before shipping.