What are your payment terms?

We accept T/T (30% deposit, 70% before shipment), L/C at sight (30-120 days), Western Union, PayPal, or Trade Online.

What is the warranty period and after-sales service?

We provide a 24-month warranty and offer 24-hour online after-sales service to ensure customer satisfaction.

What are the available connection types for casing pipes?

We provide Plain End (P), Short Thread (STC), Long Thread (LTC), Buttress Thread (BTC), Non-upset ends (NUE), External upset ends (EUE), and premium gas-tight connectors.

OCTG Products

Name: API Seamless Casing Pipe / Thread Btc / Ltc / Stc/API Pipe/Oil Pipe/Tubing Pipe/OCTG Products
Brand: Permanent Steel Manufacturing Co., Ltd.
SKU: 1962391482

Hunan, ChinaPermanent Steel Manufacturing Co., Ltd.

US$46.00

1 kg

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

24 Hours Online Service

Warranty

24 Months

Type

Seamless

Technique

Hot Rolled

Material

Carbon Steel

Surface Treatment

Black

Usage

Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & Decoration

Section Shape

Round

Transport Package

Bundling

Trademark

PMC

Origin

China

Key features

Multiple Connection Types: Supports STC, LTC, BTC, NUE, EUE, and premium gas-tight connectors.

Wide Size Range: OD 1.315-20 inches, WT 0.133-0.500 inches, various lengths available.

24-Month Warranty: Comprehensive 24-month warranty with 24-hour online after-sales service.

Strict Quality Control: Regular tests including chemical analysis, mechanical properties, and hydrostatic tests.

Global Export Experience: Exported to over 50 countries including USA, Russia, Middle East, and Europe.

OEM & Sample Support: Free small samples available; customized samples produced in 2-3 days.

Versatile Applications: Suitable for oil/gas drilling, pipeline transport, boiler pipes, and construction.

Company profile

Experienced TeamFast DeliveryManagement CertificationIn-stock Capacity

Permanent Steel Manufacturing Co., Ltd.

Hunan, China

Business Type: Manufacturer/FactoryExport Year: 2017-04-01Nearest Port: TIANJIN, SHANGHAIAverage Response Time: ≤5.43hTerms of Payment: T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryPermanent Steel Manufacturing Co., Ltd. is identified as a Chinese manufacturer/factory producing steel pipes and fittings, with operations described in Hunan, Shandong, and Tianjin. It has self-operated import/export rights, eight years of export experience, and exports representing 71%–90% of total sales. The supplier reports in-stock service capability, one-month average lead times in both peak and off-season, and sample-based customization. However, evidence indicates no overseas warehouses, showrooms, agents, or branches; no participation in offline trade shows; and service capability is not supported by written assessment procedures or an approved supplier list. ODM, SDK, and well-known-brand OEM services are unavailable. Raw-material traceability, outsourcing procedures, and manufacturing-capacity contracts remain unverified. No certification information or customer cases is provided.

Supplier typeThe supplier is explicitly identified as a limited-company manufacturer/factory specializing in steel pipes and fittings. Its stated business scope also includes marine equipment sales, related support services, and import/export activities.

R&D capabilityThe supplier does not provide ODM services, SDK availability, or OEM services for popular brands. It also reports no ERP, OA, CRM, or SAP system implementation, indicating explicit limitations in the documented R&D and digital-management capabilities.

Production capacityThe supplier is described as a factory specializing in steel pipes and fittings, has in-stock service capability, and reports one-month average lead times year-round. Nevertheless, raw-material traceability, outsourcing procedures, and manufacturing-capacity contract status are unknown, limiting verification of production-control depth.

Customization capabilityThe supplier explicitly offers customization from samples, and its company description states that customized services are provided for its products. This supports a demonstrated sample-based customization capability, although broader engineering or design-service scope is not established.

Product Q&A

Q:What are the main products offered?

Our main products include carbon steel seamless pipes, pipe fittings (flanges, elbows, tees, reducers, nipples), and sheets, coils, strips, bars, and channels.

Q:What are the key advantages of your company?

We offer finest quality, best-in-class products at the most advantageous rates, supported by state-of-the-art manufacturing processes and proficient services.

Q:How do you control product quality?

A dedicated quality control team supervises the entire process system. We conduct regular tests including chemical component analysis, mechanical properties, DWT, impact, blow, flattening, X-ray, and hydrostatic tests.

Q:Which countries have you exported to?

We have exported to more than 50 countries, mainly in the Middle East, Russia, United States, Canada, Italy, Germany, Australia, Egypt, Japan, Indonesia, Bangladesh, Turkey, and India.

Q:Do you provide samples and support OEM?

Yes, we support OEM. Small samples from stock can be provided for free, while customized samples take about 2-3 days to produce.