Permanent Steel Manufacturing

What Permanent Steel Manufacturing does

Permanent Steel Manufacturing Co., Ltd (PMC), founded in 2004 and headquartered in Changsha, Hunan, China, is a privately held B2B manufacturer of carbon steel pipes, stainless steel pipes, hollow structural sections, and pipe fittings. The company operates production bases in Shandong and Tianjin, with a combined covered manufacturing footprint exceeding 228,000 square feet that includes two working mills and on-site chemical and strength-testing laboratories. Its product portfolio spans four major pipe-manufacturing technologies — Longitudinal Submerged Arc Welding (LSAW), Spiral Submerged Arc Welding (SSAW), Electric Resistance Welding (ERW), and seamless pipe production — alongside complementary offerings in pipe fittings (flanges, tees, reducers, elbows), FBE/3LPE protective coating, custom piping spool fabrication, and submarine cable protection tubes. PMC serves industrial customers across five end markets: construction, oil & gas, power generation, automotive, and general industrial manufacturing.

Revenue mechanics are anchored in direct B2B sales of physical steel products, supplemented by fabrication and coating services. Pricing is quote-based, varying by pipe type (ERW versus seamless, with seamless typically priced 20-40% higher), size, wall thickness, grade, and surface treatment (galvanized pipes typically priced 10-25% above black pipes), with raw steel accounting for 60-70% of total pipe cost. Customer engagement runs through a direct sales motion via [email protected], phone, WhatsApp, and WeChat, supported by a multilingual website (English/Spanish) that functions as a digital catalog and technical content hub. Customer concentration is undisclosed; no anchor clients or named partners are evidenced in the source data.

The company has no disclosed external funding, no institutional investor backing, no disclosed M&A activity, no leadership bios, and no industry certifications or awards in the source data. Its strategic posture is that of an established mid-tier Chinese pipe manufacturer seeking to broaden application reach through service adjacencies (spool fabrication, coating, specialty submarine products) and content-led international demand generation rather than through M&A, capital raises, or rapid capacity expansion.

Name

Permanent Steel Manufacturing

Legal name

Permanent Steel Manufacturing Co.,Ltd

Website

https://permanentsteel.com

Company type

Private

Founded year

2004

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Permanent Steel Manufacturing Co., Ltd (PMC) is a privately held Chinese B2B manufacturer of carbon and stainless steel pipes, hollow sections, and pipe fittings, serving construction, oil & gas, power generation, automotive, and industrial customers from production bases in Shandong and Tianjin.

Ownership category

akta.pro rank

Headquarters

HQ city

Changsha

HQ country

China

HQ region

Asia

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Infrastructure, Technology or R&D

Revenue model

1. Steel Pipe Sales: Direct B2B sales of various steel pipes including carbon steel, stainless steel, LSAW, SSAW, ERW, and seamless pipes to industrial customers
2. Pipe Fittings Sales: Sales of pipe fittings including elbows, reducers, tees, flanges, and other piping components
3. Coating Services: Provides surface coating services including galvanizing for corrosion protection
4. Piping Spool Fabrication: Custom fabrication services for piping spools

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Permanent Steel Manufacturing Co., Ltd (PMC) is a Chinese factory that produces, processes, and sells various steel pipes and pipe fittings. Its portfolio includes carbon steel pipes (LSAW, SSAW, ERW, seamless, casing, and galvanized), stainless steel pipes (welded and seamless), hollow structural sections, and pipe fittings such as elbows, reducers, tees, and flanges. The company also provides complementary services including protective coating and piping spool fabrication.

Product overview

Permanent Steel Manufacturing Co., Ltd (PMC) is a steel pipe and pipe fittings manufacturer headquartered in Hunan, China, with production bases in Shandong and Tianjin. The company operates over 228,000 square feet of covered facilities and manufactures a comprehensive portfolio of steel pipe products including carbon steel pipes (LSAW, SSAW, ERW, seamless, casing, and galvanized), stainless steel pipes (welded and seamless), hollow structural sections (ASTM A500 square and rectangular tubes), and pipe fittings (flanges, tees, reducers, elbows). PMC also offers complementary services including piping spool fabrication, protective coating (FBE/3LPE), and cable protection products for submarine applications.

Differentiator

Problem solved

Functional benefit

Products and services

• LSAW Steel Pipe Large-diameter longitudinal submerged arc welded steel pipe for oil and gas pipelines, water transmission, and structural applications, sold to industrial buyers.
• SSAW Steel Pipe Spiral submerged arc welded steel pipe produced by rolling steel strip at a spiral angle and double-wire submerged arc welding, suitable for large-diameter pipeline applications.
• ERW Steel Pipe Electric resistance welded steel pipe formed from hot- or cold-rolled steel coils using high-frequency current welding, offering high dimensional accuracy and a smooth surface finish for general industrial use.
• Seamless Steel Pipe Seamless steel pipe produced without welding, providing uniform mechanical properties and high pressure resistance for demanding high-pressure and high-temperature applications.
• Casing Pipe Steel casing pipe used in drilling operations and well construction for oil, gas, and water wells.
• Galvanized Steel Pipe Steel pipe with zinc coating applied via hot-dip or electro-galvanizing processes for corrosion resistance in outdoor, marine, and industrial environments.
• Stainless Welded Pipe Welded stainless steel pipe available in grades 304, 316, and others, used in plumbing, food processing, and corrosive environments.
• Stainless Seamless Pipe Seamless stainless steel pipe offering superior corrosion resistance and mechanical properties for high-pressure and high-temperature applications.
• Hollow Section Structural hollow section steel products including square and rectangular tubes in grades such as ASTM A500, used in construction and structural applications.
• Flange Pipe flanges for connecting pipe sections, available in various materials and pressure ratings for industrial piping systems.
• Tee Tee pipe fittings for branching pipe runs in industrial and commercial piping systems.
• Reducer Reducer pipe fittings for transitioning between different pipe diameters in industrial piping systems.
• Elbow Elbow pipe fittings for changing direction in piping runs, available in various angles and materials for industrial applications.
• Piping Spool Fabrication Custom fabrication of piping spools that combine multiple pipe and fitting components into pre-assembled units for efficient field installation at customer sites.
• Coating Protective coating services including FBE (Fusion Bonded Epoxy) and 3LPE coatings applied to steel pipes for enhanced corrosion resistance in service environments.
• Cable Protection Products Submarine cable protection products including cable tubes designed to protect subsea cables in offshore and marine installations.

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Scale indicators3 records

Recent moves5 records

Expansion highlights5 records

Broad incumbents

• Hyundai Steel: Korean integrated steelmaker with pipe and tube product lines serving construction, automotive, and energy sectors. Comparable to PMC across welded and hollow section offerings.
• Vallourec: French-headquartered premium pipe solutions provider serving oil & gas, power, and industrial markets with seamless and welded tubes. Competes with PMC in higher-spec pipe segments where Vallourec holds strong certifications and customer relationships.
• Baosteel Group: Largest Chinese steelmaker producing a broad portfolio including welded and seamless steel pipe, hollow sections, and pipe fittings. Competes with PMC across multiple product categories but as part of a much wider steel portfolio.
• JFE Steel: Major Japanese steelmaker producing high-quality steel pipe and tubes for energy, construction, and automotive applications. Overlaps with PMC in ERW, seamless, and stainless pipe but with premium-grade positioning.
• Tenaris: Global leader in seamless and welded steel pipe for oil & gas, with strong API-certified linepipe offerings. Overlaps with PMC in carbon steel pipe for energy applications but operates at significantly larger scale with premium certifications.
• Tata Steel: Indian-headquartered global steelmaker producing a broad pipe and tube portfolio including ERW, seamless, and structural hollow sections. Comparable to PMC across multiple pipe categories and end markets.
• United States Steel Corporation: Large North American integrated steelmaker producing welded and seamless linepipe, OCTG, and structural pipe products. Competes with PMC in export markets and overlapping energy infrastructure applications.

Emerging players

• Maharashtra Seamless (part of STL Group): Indian seamless pipe manufacturer with growing export presence, competing with PMC in carbon steel pipe for energy and industrial applications, particularly in emerging markets.

Direct peers

• Tianjin Pipe (TPCO): One of China's largest seamless steel pipe manufacturers, also headquartered near PMC's Tianjin production base. TPCO competes directly with PMC in carbon and alloy seamless pipe for oil & gas, power, and structural applications.
• ChelPipe Group: Russian steel pipe manufacturer producing carbon steel welded and seamless pipe, OCTG, and linepipe. Direct comparable to PMC in product mix, with similar focus on oil & gas and industrial end markets.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/permanentsteel
• Facebookfacebook.com/steelpipesandhdpepipes
• LinkedInlinkedin.com/company/permanent-steel-manufacturing-co-ltd

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Permanent Steel Manufacturing