NKK

What NKK does

NKK Co., Ltd. (エヌ・ケイ・ケイ株式会社) is a privately held Japanese aerosol manufacturer headquartered in Himeji-shi, Hyogo Prefecture, with a Tokyo sales branch established in 1998. The company was set up as a spin-off of the aerosol division of Nishinomiya Metal Industry Co., Ltd. (西宮金属工業株式会社) in 1986 and became fully independent in June 1991; since October 2016 it has operated as a wholly-owned strategic subsidiary of Iwatani Corporation (岩谷産業株式会社), a major Japanese industrial-gas group. NKK runs two factories at the Himeji site (Factory No. 1 from April 1986; Factory No. 2 completed November 2001) and employs roughly 70 people. Activity is concentrated in the domestic Japanese market (Kansai region and Tokyo metropolitan area), with no disclosed international footprint.

The company's core technology is high-pressure-resistant aerosol container manufacturing, anchored by Japan's first integrated two-piece can-making and filling production line. NKK's signature proprietary offering is the Clean Score (クリンScore) non-fluorocarbon dust blower, commercialized from September 2006 using a DME (dimethyl ether) + CO2 propellant system with a global warming coefficient below 1, replacing HFC propellants. The product incorporates a built-in absorbent body that enables 360-degree spray without liquid leakage, mitigating ignition risk. The wider portfolio covers car air-conditioner refrigerant cans (service cans), outdoor gas cartridges (IP-110, IP-250T, IP-500T), gas torch cans for gardening and construction, glass cleaners, quick-dry brake and parts cleaners, lubricants, deodorizers, and car-AC oil-filled gas cans for OEM partners. The site holds ISO 9001 (October 2003) and ISO 14001 (July 2004) certifications.

NKK operates a hybrid revenue model across three streams: (1) own-brand product sales (Clean Score dust blowers, glass cleaners) channeled through at least nine regional distributors including Maruem Shoji, Senba Denkikaizai, Santana Up, Motoya, GPM, Matsuoka Shoji, One Step, and Fukutei; (2) B2B OEM manufacturing under client brands across industrial and consumer aerosol categories; and (3) direct B2B sales of refrigerant cans to gas stations and auto electrical repair shops in the aftermarket channel, where NKK reportedly holds a large share of the Japanese market and supplies all domestic refrigerant gas manufacturers and major automobile brands. Pricing is not publicly disclosed and varies by distributor; multi-year environmental awards (FY2007 Environment Minister's Award, 2008 Ozone Layer/Anti-Global Warming Excellence Award, 2010 Aozora Award, 2010 Japan Environmental Management Excellence Award) and recognition by the Hyogo Industrial Revitalization Center as a "Growth-Expected Company" underscore NKK's positioning around non-fluorocarbon replacement of legacy HFC aerosols.

Name

NKK

Legal name

エヌ・ケイ・ケイ株式会社

Website

https://nkk-aerosol.co.jp

Company type

Private

Founded year

1986

Operating status

Operating

Headcount range

51–100 employees

Short description

NKK Co., Ltd. (エヌ・ケイ・ケイ株式会社) is a Japan-based manufacturer of aerosol containers — including non-fluorocarbon dust blowers, refrigerant cans, OEM industrial aerosols, gas cartridges, and glass cleaners — serving Japanese gas stations, auto repair shops, OEM brands, and consumer electronics users, and operating since 1986 as a wholly-owned subsidiary of Iwatani Corporation.

Ownership category

akta.pro rank

Product category

Aerosol Product Manufacturing

NAICS

Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (333415), Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing (333413), Soap and Cleaning Compound Manufacturing (32561)

SIC

Motor Vehicle Parts & Accessories (3714), Industrial & Commercial Fans & Blowers & Air Purifing Equip (3564)

akta.pro primary industry

Passenger Vehicle Thermal, Cooling & HVAC Manufacturing (ICE) (IMACAAAL)

akta.pro secondary industry

Aerosol Air Fresheners & Sprays (CRAJAEAA)

Keywords

• Aerosol container manufacturing
• Non-fluorocarbon dust blowers
• Refrigerant cans
• OEM aerosol products
• Gas cartridges

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Infrastructure, Marketing or Sales

Revenue model

1. Refrigerant Can Sales: Sales of car air conditioner refrigerant cans (service cans) to gas stations and auto repair shops. NKK holds large market share in Japan for these products, serving all refrigerant gas manufacturers and major automobile brands.
2. OEM Products: Manufacturing of OEM aerosol products including gas cartridges, brake cleaners, general industrial aerosols, dust blowers, car air conditioner oil-filled gas cans, gardening/construction gas torches, and outdoor gas cylinders for other brands.
3. Own-Brand Products: Direct sales of NKK's own brand products including Clean Score non-fluorocarbon dust blowers and glass cleaners through distributors.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels6 records

Core offering

NKK Co., Ltd. is a Japanese aerosol product manufacturer that produces car air conditioner refrigerant cans (service cans), non-fluorocarbon dust blowers under its own Clean Score brand, and a range of OEM aerosol products including gas cartridges, brake cleaners, industrial lubricants, and garden/construction gas torch cans. The company operates Japan's first integrated two-piece can manufacturing and aerosol filling production line, and sells both own-brand and OEM products to automotive aftermarket, OEM partners, and electronics cleaning markets.

Product overview

NKK is an aerosol product manufacturing company offering two main product lines: (1) own-brand environmental products centered on the Clean Scal non-fluorocarbon dust blower, which uses DME+CO2 propellants with global warming coefficient below 1, and glass cleaners; and (2) OEM products including refrigerant cans for car air conditioners, gas cartridges for outdoor use, industrial aerosol products (lubricants, deodorizers, brake cleaners), car air conditioner oil-filled gas cans, and garden/construction gas torch cans. The company operates Japan's first integrated two-piece can manufacturing and filling production line, and holds ISO9001 and ISO14001 certifications.

Differentiator

Problem solved

Functional benefit

Brands

• クリーンスコール (Clean Score): NKK's original brand of non-fluorocarbon dust blower products for cleaning PC and OA equipment

Products and services

• Refrigerant Can (冷媒缶) Car air conditioner refrigerant cans (service cans) for replenishing HFC-134a refrigerant gas lost through natural leakage or accidents. Distributed as aftermarket supplies to gas stations and automobile electrical repair shops across Japan.
• Clean Score Non-Fluorocarbon Dust Blower (ノンフロンダストブロワー) Environmentally-friendly dust blower using DME and CO2 propellants with global warming coefficient below 1, eliminating HFC propellants. Features 360-degree spray capability with built-in special absorber preventing liquid leakage and ignition accidents. Used for cleaning dust from PCs, printers, digital cameras, and other PC/OA equipment.
• OEM Aerosol Products (OEM製品) Custom OEM aerosol product manufacturing including gas cartridges (IP-110, IP-250T, IP-500T), quick-dry brake and parts cleaners, general industrial aerosol products (lubricants, deodorizers), dust blowers, car air conditioner oil-filled gas cans, and garden/construction gas torch cans manufactured under client brands.
• Own-Brand Glass Cleaner (ガラスクリーナー) Glass cleaner aerosol product for removing cloudiness and dirt from glass surfaces. Spray-and-wipe application suitable for home windows and car windshields, sold under NKK's own brand.

Quantifiable outcome

• Annual target: 1.4 million tons CO2 equivalent reduction through replacing 6.5 million fluorocarbon dust blower cans with non-fluorocarbon alternatives in Japan
• +2 more outcomes

Named customers3 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Scale indicators6 records

Recent moves7 records

Expansion highlights4 records

Direct peers

• CCL Container: North American manufacturer of aluminum aerosol cans and containers, directly comparable to NKK's specialty aerosol can manufacturing capability. Both compete in high-pressure aerosol container production with technical specifications relevant to industrial and consumer applications.
• Falcon Safety Products: US-based manufacturer of compressed gas dust blowers under the Dust-Off brand, the dominant North American player in the same product category as NKK's Clean Score non-fluorocarbon dust blower. Directly comparable product offering and end-user application (electronics/OA equipment cleaning).
• Toagosei: Japanese chemical manufacturer with aerosol adhesive and specialty chemical product lines. Comparable as a Japanese specialty aerosol and chemical manufacturer serving industrial and consumer markets with proprietary formulations.

Broad incumbents

• Earth Corporation: Major Japanese household products company (insecticides, cleaning products, hygiene) listed on Tokyo Stock Exchange. Comparable as a Japanese manufacturer of aerosol consumer products targeting household applications, though at much larger scale and broader product portfolio than NKK.
• Idemitsu Kosan: Major Japanese energy and chemical company that manufactures and distributes refrigerants including HFC-134a. Comparable as a refrigerant supplier and oil/chemical manufacturer that could be both partner and competitor in the automotive refrigerant service market.
• Honeywell International: US conglomerate with major refrigerants business (HFC, HFO products like Solstice). Comparable as a global refrigerant manufacturer that competes with NKK's OEM customers and is actively transitioning to low-GWP products, similar to NKK's non-fluorocarbon strategy.
• Lion Corporation: Major Japanese household products company (cleaning, oral care, pharmaceuticals). Comparable as a Japanese aerosol consumer cleaning product manufacturer with established domestic distribution and significantly larger scale than NKK.
• Kao Corporation: Major Japanese consumer products company (cleaning, personal care, chemicals). Comparable as a Japanese aerosol cleaning product manufacturer, though at vastly larger scale with diversified global operations and broader product portfolio.
• S.C. Johnson & Son: Global household products company with aerosol cleaning products (Pledge, etc.). Comparable as a large-scale manufacturer of consumer aerosol cleaning products, though operating at global scale versus NKK's Japan-focused business.

Others

• Daikin Industries: Global leader in HVAC systems and refrigerant manufacturing (HFC, HFO products). Comparable as the dominant downstream consumer of refrigerant products and a major player in automotive AC systems, representing both a potential partner for OEM refrigerant cans and a long-term competitive threat if it vertically integrates service products.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/dmetannkk
• YouTubeyoutube.com/channel/UCbNVGkPuuc2INL-J9MWil_Q
• Instagraminstagram.com/nkk_dmeco2

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 NKK