What PARKER NETSUSHORI KOGYO does

Parker Netsushori Kogyo Co., Ltd. (パーカー熱処理工業株式会社) is a Japanese metal heat treatment and surface modification company founded in 1956 and headquartered in Kawasaki-shi, Kanagawa Prefecture. The company operates a three-pronged business model spanning (1) industrial chemicals — salt bath treatment reagents, stop-off paints, polymer quenching media, and mold release agents; (2) heat treatment equipment — vacuum carburizing furnaces (ICBP), atmosphere furnaces, gas nitriding furnaces, molten salt systems, fluidized bed furnaces, cleaning equipment, and hybrid PVD coating systems (CARBOZEN); and (3) contract processing services — including ISONITE® salt bath nitrocarburizing, ICBP vacuum carburizing, gas nitriding, and PNT (Ni-SiC composite plating) — delivered across more than 20 domestic factory locations. Its proprietary technology stack includes the ISONITE®, ISONITE LS®, PICONite®, ICBP, ICBP ECO, WaAT®, and SP-NITE brands, complemented by exclusive Japan distribution rights for SRV® tribology testing equipment (Optimol), ECM Technologies vacuum furnaces, and SECO/WARWICK industrial furnaces.

The company serves enterprise B2B customers primarily in the automotive, drivetrain components, bearings, steel, precision machinery, and aerospace sectors. Named customers include Toyota, Honda, Nissan, Mazda, Isuzu, SUBARU, JATCO, DENSO, Aisin AW, JTEKT, NTN, NSK, THK, Nippon Steel, Daido Steel, Canon, Fujitsu, Mitsubishi Electric, Mitsubishi Motors, and Bosch. Go-to-market relies on direct enterprise field sales through regional offices in Kawasaki (HQ), Nagoya, and Osaka, supported by industry trade show participation (SURTECH, Thermotec, JIMTOF), technical seminars, an annual Surface Modification Technology Research Society symposium, and a monthly technical newsletter (MERMAG). Pricing is project-based and not publicly disclosed.

Parker Netsushori Kogyo operates as a core member of the Nihon Parkerizing Group (日本パーカライジンググループ) — a diversified Japanese industrial conglomerate — with wholly-owned subsidiaries in South Korea (Hanil Metal Industry, since 1987), China (Zhenjiang Parker Thermo Technology, since 2015; Huzhou Pake Import/Export, since 2021), and the United States (Delamin Nitriding Salts US, acquired September 2024 for $9.4 million USD), plus a 2024 Chinese joint venture (Jiepa Zhejiang Vacuum Coating) with Korean partner J&L TECH. The company is private following the 2018 abolition of stock certificates, holds ISO 9001 and ISO 14001 certifications across its production facilities, employs 101–250 people, and celebrated its 70th anniversary in April 2026.

Name

PARKER NETSUSHORI KOGYO

Legal name

Parker Netsushori Kogyo Co., Ltd. (パーカー熱処理工業株式会社)

Website

https://pnk.co.jp

Company type

Private

Founded year

1956

Operating status

Operating

Headcount range

101–250 employees

Short description

Parker Netsushori Kogyo is a Japanese metal heat treatment company founded in 1956, offering proprietary salt bath nitrocarburizing (ISONITE®), vacuum carburizing (ICBP), and surface modification chemicals, equipment, and processing services primarily to automotive, drivetrain, and industrial machinery manufacturers in Japan and across Asia.

Ownership category

akta.pro rank

Product category

Industrial Heat Treatment Equipment and Services

NAICS

Metal Heat Treating (332811), Industrial Process Furnace and Oven Manufacturing (333994), Coating, Engraving, Heat Treating, and Allied Activities (3328)

SIC

Industrial Process Furnaces & Ovens (3567)

akta.pro primary industry

Steel Heat Treatment & Metallurgical Processing (Annealing, Quenching/Tempering, Normalizing) (IMAKABAK)

akta.pro secondary industry

Refractory, Furnace & Kiln Maintenance Services (IMAIACAG)

Keywords

• Industrial heat treatment
• Salt bath nitrocarburizing
• Vacuum carburizing furnaces
• Metal surface treatment
• Heat treatment chemicals

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices8 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Industrial Chemical Products: Manufacturing and sale of heat treatment chemicals including salt bath treatment salts, stop-off paints, quenching oils, polymer quenching media, and cyanate potassium. Products sold to heat treatment processors and manufacturing companies.
2. Heat Treatment Equipment Design and Manufacturing: Design, manufacture, and sale of heat treatment furnaces and equipment including ICBP vacuum carburizing furnaces, atmosphere furnaces, gas nitriding furnaces, molten salt equipment, fluidized bed equipment, cleaning equipment, and coating systems.
3. Heat Treatment Processing Services: Contract heat treatment processing services including ISONITE salt bath nitrocarburizing, ICBP vacuum carburizing, gas nitriding, and PNT (Ni-SiC composite plating) coating. Services provided at group factories across Japan.
4. Testing and Evaluation Services: Tribology testing services using SRV® equipment, quenchant testing with ivf SmartQuench, and coating evaluation. Supports product development and quality assurance for customers.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

Parker Netsushori Kogyo provides an integrated offering of proprietary metal heat treatment technologies spanning three business divisions: Chemical (heat treatment salts, stop-off paints, polymer quenchants, quenching oils), Plant (heat treatment furnaces and equipment including ICBP vacuum carburizing, atmosphere furnaces, gas nitriding, molten salt, fluidized bed, and cleaning systems), and Surface Processing (contract ISONITE® nitrocarburizing, ICBP vacuum carburizing, PNT composite plating, and SP-NITE nitriding services). The company also distributes tribology testing equipment (SRV®, 2-disk, IVF SmartQuench).

Product overview

PARKER NETSUSHORI KOGYO operates as a comprehensive metal heat treatment company organized into four divisions: (1) Chemical Division - industrial chemicals for heat treatment including salts, stop-off paints, quenching media, and mold release agents; (2) Plant Division - heat treatment equipment including vacuum furnaces (ICBP), atmosphere furnaces, gas nitriding furnaces, molten salt systems, fluidized bed equipment, cleaning equipment, and coating systems (CARBOZEN Hybrid PVD); (3) Surface Treating Division - surface processing services including ISONITE® nitriding processes (TF/SQ/SQP/QPQ/LS variants), gas/liquid carburizing, PNT (Ni-SiC composite plating), and SP-NITE for stainless steel; (4) SRV Products Division - tribology testing equipment including SRV®5 oscillating friction wear tester, 2-disk tester, and related testing services. Key proprietary technologies include ICBP vacuum carburizing system, ISONITE® salt bath nitrocarburizing, PNT composite plating, and WaAT® water-addition austempering. The company also distributes specialized equipment from partner manufacturers including ECM Technologies, Optimol Instruments, Swerea IVF, and J&L TECH.

Differentiator

Problem solved

Functional benefit

Brands

• ISONITE®: Salt bath nitrocarburizing process/trademark for surface modification of metal components
• ICBP
• SRV®
• PNT
• WaAT®
• CARBOZEN

Products and services

• ICBP Fully Automated Vacuum Heat Treating System Low pressure vacuum carburizing equipment enabling high-toughness carburized layer formation without surface oxides, using 20-bar gas nitrogen quenching equivalent to oil quenching. Modular structure with INFRACARB process for high-concentration carburizing control. Sourced via exclusive partnership with ECM Technologies (France). Cumulative global sales of over 860 heating cells (as of May 2012). For manufacturing customers requiring high-quality case hardening of gears, bearings, and drivetrain components.
• ICBP-ECO Batch Type Low Pressure Carburizing Furnace Batch-type low-pressure vacuum carburizing furnace with double-chamber design consisting of heating cell and quenching cell. Enables replacement of conventional gas carburizing furnaces with optimized energy consumption and reduced cycle time, improved metallurgical quality, and easy integration into existing carburizing lines. For high-volume automotive and industrial heat treatment customers.
• WaAT® Water Addition Type Austempering Furnace Next-generation austempering furnace that achieves rapid cooling rates by adding water to nitrate bath, enabling uniform bainitic structure in steel without changing steel grades. Expands treatment range for medium-to-high carbon steels and heavier/thicker products. For manufacturers of large structural components and heavy-duty drivetrain parts.
• Pit-Type Gas Nitriding Furnace (GNe/PCGN) Gas nitriding furnace heating steel workpieces to 400-600°C in ammonia atmosphere to form iron nitride layer. Produces high hardness with excellent heat resistance up to 600°C. Supports PICONite® phase-controlled processing with precise gamma'/epsilon phase ratio for fatigue strength improvement. For automotive, aerospace, and precision machinery manufacturers.
• CAFQ Atmosphere Furnace Automated atmosphere furnace for gas carburizing, nitrocarburizing, carbon restoration, bright annealing, brazing, and sintering up to 1100°C with high-efficiency burners. For high-volume production heat treatment across automotive, aerospace, and industrial components.
• Molten Salt Equipment (ISONITE Automated Salt Bath System) Fully automated equipment for salt bath nitrocarburizing (ISONITE process) featuring stable quality from uniform salt bath temperature and high reproducibility. For production-volume salt bath heat treatment of ferrous components.
• Fluidized Bed Technology (FLUID BATH) Heat treatment furnace using alumina particles as fluidized heat medium, offering salt bath advantages without salt bath drawbacks. High heat transfer coefficient and uniform temperature distribution. For surface hardening, decarburization testing, and coating processes.
• Cleaning Equipment Vacuum purge mineral solvent rinsing machines, water-based vacuum cleaning machines, rotary cleaning machines, and alkali cleaning machines for pre- and post-heat treatment cleaning of metal components.
• CARBOZEN Hybrid PVD Coating System Multi-phase hybrid PVD coating system combining Linear Ion Source, UBM Sputter, and FCVA Source technologies for DLC (Diamond Like Carbon) and other functional hard coatings. For automotive, cutting tool, and precision component manufacturers requiring wear-resistant coatings.
• Heat Treatment Salts Salt bath heat treatment chemicals including heating salts (GS series, HS series), quenching/tempering salts (AS series, GS series), ISONITE nitrocarburizing salts, carburizing salts, and heat transfer salts with temperature range 160-1300°C. For heat treatment processors and manufacturing companies; Parker Netsushori holds the top domestic market share in Japan for heat treatment salts.
• Stop-Off Paints Protective paints (Condursal series under license from Nussle GmbH & Co.KG, plus CARBON BUSTER and No Carb water-based products) for preventing carburizing, nitriding, oxidation, or decarburization in selected areas during heat treatment. Solvent-based and water-based variants available.
• Polymer Quenching Medium and Quenching Oil Water-soluble quenching media including Parquench 60, Parquench 90, Parkerquench 525, Serviscol 98 and related quenching oils for various steel types and heat treatment applications. For steel manufacturers and heat treatment processors.
• SRV®5 Tribology Testing Machine Oscillation-type tribology testing machine for high-speed vibration and short-stroke sliding tests on heat-treated materials, lubricants, hard coatings, and real components under controlled temperature (room temperature to 350°C), humidity, and load conditions. Block-on-ring test module also available. Domestic sales exceeded 100 units by August 2021. Distributed in Japan under exclusive arrangement with Optimol Instruments Prüftechnik GmbH (Germany).
• 2-Disk Testing Machine High-load lubricant evaluation and material/hard coating evaluation under lubricating rolling contact conditions. Used for rig testing of roller bearings, gears, cam followers, wheel/rail systems, and other tribology systems under high-load rolling stress. Developed by OIP (Optimol Instruments Prüftechnik).
• IVF SmartQuench Portable Quenching Media Tester Portable test equipment for measuring cooling characteristics of quenchants (probe heating to 850°C, temperature recording, and cooling curve analysis) under exclusive distribution from Swerea IVF AB (Sweden) for monitoring quench tank performance.
• ISONITE® Salt Bath Nitrocarburizing Processing Service Contract ISONITE® salt bath nitrocarburizing processing service for ferrous metal components including austenitic stainless steels, provided at 20+ group factories across Japan and global Parker Group affiliates. Multiple variants offered: TF (standard), SQ/SQP/QPQ (with oxide coating), and LS (environmentally friendly, lithium-based, low-temperature). Improves wear resistance, fatigue strength, and corrosion resistance.
• PNT Ni-SiC Composite Plating Processing Service Compound electrolysis plating of nickel-silicon carbide that dramatically improves sliding performance of aluminum alloys. Composite plating layer composed of electrolytic Ni plating (500-600mHv) and SiC dispersion particles (2500mHv). For aluminum sliding components in automotive and industrial applications.
• SP-NITE Low Temperature Gas Nitriding Processing Service Gas nitriding processing service for high-alloy steels and austenitic stainless steel that achieves both high hardness and superior wear resistance through long-time low-temperature nitriding without degrading corrosion resistance. For stainless steel and hard-to-nitrade material components.

Quantifiable outcome

• ICBP vacuum carburizing equipment: 860+ cells sold worldwide (as of 2012)
• +3 more outcomes

Named customers20 records

Segments5 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Seven partnerships are on record, tiered core.

• Nussle GmbH & Co.KG (Germany)coreTechnology or IntegrationTechnology partnership for CONDURSAL stop-off pastes used in heat treatment processes. Nussle supplies stop-off paints for gas carburizing, nitriding, and ion nitriding applications, which Parker Netsushori imports and distributes in Japan.
• Heatbath Corporation (USA)coreTechnology or IntegrationPartnership for heat treatment chemicals and stop-off pastes (ISONITE brand). Heatbath is a licensed manufacturer of Isonite process salts.
• ECM Technologies (France)coreTechnology or IntegrationExclusive distributor/partnership for ICBP (low pressure vacuum carburizing) equipment manufactured by ECM Technologies in France. Parker Netsushori sells, installs, and supports ICBP equipment in Japan.
• Swerea IVF AB (Sweden)coreTechnology or IntegrationPartnership for quenchant testing equipment including ivf SmartQuench portable cooling characteristic testers. Swerea IVF provides measurement technology for quench tank performance monitoring.
• Optimol Instruments Prüftechnik GmbH (Germany)coreTechnology or IntegrationExclusive distributor of SRV® (Schwingungs Reihungund Verschleiss) vibration friction and wear testing machines in Japan. Also distributes 2-disk testing machines (OIP brand). Parker Netsushori provides sales, installation, application support, and user meetings.
• SECO/WARWICK (Poland)coreTechnology or IntegrationExclusive distributor of SECO/WARWICK vacuum heat treatment furnaces in Japan. Offers custom-designed vacuum furnaces for aerospace, power generation, semiconductor, and industrial applications. Partnership expanded through newsletters and seminar activities.
• Japanese Parkerizing Group (日本パーカライジンググループ)coreStrategic or Co-development PartnerCore group structure: Parker Netsushori Kogyo is a member of the Nihon Parkerizing Group, which includes Japanese factories (Parker Processing, Asahi-Chiyoda Kogyo, Hamamatsu Heat Treatment, Million Kagaku, etc.) and global Parker Group affiliates. The group shares technology, standards, and market presence.

Scale indicators8 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• ALD Vacuum Technologies: German manufacturer of vacuum metallurgical furnaces for heat treatment, sintering, and specialized aerospace/semiconductor applications. Broader incumbent in vacuum furnace technology competing with Parker's ICBP and CAFQ lines, particularly in aerospace and tool steel markets.
• Nihon Parkerizing: Parker's parent company and broader Japanese surface treatment conglomerate offering chemical surface treatments, anti-corrosion coatings, and lubrication across multiple industries. Operates as Parker's parent (conglomerate_diversified_group) and overlaps in chemical surface treatment products.

Direct peers

• Bodycote: World's largest commercial heat treatment services provider with global network of furnaces and processing facilities. Directly competes with Parker's Surface Processing Services division across automotive, aerospace, and industrial markets.
• HEF Group: French-based global specialist in surface treatment and tribology, including nitriding, DLC coatings, and PVD. Overlaps directly with Parker's ISONITE, SP-NITE, and CARBOZEN offerings, particularly in European automotive markets.
• Solar Atmospheres: US commercial vacuum heat treating services company serving aerospace, defense, medical, and power generation. Comparable to Parker's ICBP and vacuum heat treatment processing services, particularly in Western markets.
• SECO/WARWICK: Polish-headquartered manufacturer of vacuum heat treatment furnaces (VarioClean, CaseMaster) for aerospace, power generation, and industrial use. Both a competitor in vacuum furnace sales and a Parker distribution partner for SECO/WARWICK products in Japan.
• Ipsen: US-based manufacturer of vacuum heat treatment furnaces (TurboTreater, Metapress) and aftermarket services for aerospace, automotive, and medical. Direct competitor in vacuum furnace equipment sold into same end markets as ICBP and CAFQ atmosphere furnaces.
• ECM Technologies: French specialist in low-pressure vacuum carburizing and plasma nitriding furnaces - the technology underlying Parker's ICBP. Competes in vacuum heat treatment equipment globally while also being Parker's exclusive ICBP supplier for Japan.
• DOWA Thermotech: Subsidiary of DOWA Holdings specializing in heat treatment and surface modification services in Japan and Asia. Direct competitor in contract heat treatment services to Japanese automotive and industrial customers.
• Sintokogio: Japanese manufacturer of industrial furnaces, foundry equipment, and surface treatment systems including shot blasting and heat treatment lines. Overlaps with Parker's Plant division in heat treatment furnace design and manufacture.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Subsidiaries18 records

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 PARKER NETSUSHORI KOGYO