Nihon Closure

What Nihon Closure does

Nihon Closure Co., Ltd. (日本クロージャー株式会社) is a Japanese manufacturer of closure caps and capping machinery, founded in 1941 and operating as a member company of the Toyo Seikan Group (東洋製罐グループ). The company designs and produces a broad portfolio of plastic, metal, and hybrid closures — including tamper-evident band caps (NC Flap, Unilock, Flex Band), child-resistant caps (Click Lock), pilfer-proof caps, screw caps, twist-off caps, crown caps, medicinal-grade resin caps, pouch spouts, and biomass-based environmentally friendly caps made from sugarcane-derived polyethylene (30-50% biomass content). It also manufactures complementary production machinery: twist-off cappers, aluminum P.P. cappers, screw cappers, multi-product automatic cappers, R&D semi-automatic crimpers and cappers, vacuum cappers, and automated carton-opening / cap supply devices. The technology centers on mechanical closure engineering, materials selection (PP, PE, tinplate, tin-free steel, stainless steel), and high-speed line integration rather than software or AI.

The business is B2B and exclusively enterprise-facing. Nihon Closure sells direct to beverage (carbonated, still, chilled, dairy), food, pharmaceutical, toiletry/household chemical, and alcoholic-beverage manufacturers. Pricing is not publicly disclosed and quotes are generated through product-inquiry forms that capture content type, fill temperature, annual volume, and target region; custom/original cap minimum order quantities are approximately 50 million units for standard beverage plastic caps, indicating an industrial-volume customer base. Marketing channels are limited to the corporate website (ncc-caps.co.jp), trade shows such as Barrier-Free 2026, and the Toyo Seikan Group's partner network. Distribution is single-country (Japan) with no disclosed international operations. Headcount of 1,001-5,000 supports a multi-site domestic manufacturing footprint. Recent strategic actions include a 2026 offsite physical solar PPA with Cosmo Oil Marketing (~10,260 tons CO2 reduction/year at Komaki), a 2024 launch of a consumer smartphone-ring cap-opener accessory, expansion of the biomass product line, and 2026 executive personnel changes. The company reports no AI capabilities, no APIs, no app presence, no M&A history, and no funding activity as a private subsidiary of the Toyo Seikan Group.

Name

Nihon Closure

Legal name

Nippon Closures Co., Ltd.

Website

https://ncc-caps.co.jp

Company type

Private

Founded year

1941

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Nihon Closure is a Japanese cap and closure manufacturer and member of the Toyo Seikan Group, producing plastic, metal, and pharmaceutical-grade closures plus capping machinery for beverage, food, pharmaceutical, toiletry, and alcoholic-beverage manufacturers in Japan.

Ownership category

akta.pro rank

Product category

Packaging Closures

NAICS

Metal Crown, Closure, and Other Metal Stamping (except Automotive) (332119), Food Product Machinery Manufacturing (333241)

SIC

General Industrial Machinery & Equipment (3560), Metal Cans (3411)

akta.pro primary industry

Plastic Caps, Closures & Dispensing Systems Manufacturing (IMANAEAB)

akta.pro secondary industries

Closures & Dispensing for Rigid Plastic (Caps, Pumps, Sprayers, Droppers) (IMALAAAJ), Screw Caps (Plastic & Metal) (IMALALAA), Metal Closures & Caps (Crown Caps, Lug/Twist Caps, ROPP) (IMALADAF), Capping, Sealing & Closing Machines (IMAHAOAG)

Keywords

• Closure manufacturing
• Metal caps
• Capping machines
• Child-resistant caps
• Tamper-evident packaging

Headquarters

HQ city

Higashi-shinagawa

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Cap manufacturing and sales: Designs and manufactures a wide range of closure caps (plastic, metal, pharmaceutical, toiletry) sold to beverage, food, pharmaceutical, and consumer goods manufacturers. Revenue is generated through direct B2B sales of caps in standard and custom specifications.
2. Capping machine manufacturing and sales: Produces and sells production-scale and R&D-scale capping machines and peripheral equipment to manufacturing clients. Machines include semi-automatic cappers, automatic cappers, twist-off cap cappers, aluminum P.P. cap cappers, screw cap cappers, and cap supply systems.
3. Custom/original cap manufacturing: Offers bespoke custom cap manufacturing for specific client container and product requirements, with minimum order quantities (approximately 50 million units for standard beverage plastic caps). Custom-colored and specialized caps are available as made-to-order products.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Nihon Closure manufactures and sells metal caps and resin-molded closure products (twist-off caps, screw caps, pilfer-proof caps, crown caps, child-resistant caps, pouch spouts, and biomass-based eco caps) for beverage, food, pharmaceutical, toiletry, and household goods producers. The company also produces and sells production-scale and R&D-scale capping machinery, including cappers, crimpers, vacuum cappers, and automated cap supply systems, primarily to manufacturers in Japan as a member of the Toyo Seikan Group.

Product overview

Nihon Closure is a cap and closure manufacturing company and leading producer in Japan, offering a comprehensive portfolio of closure solutions for beverages, chilled products, food, alcoholic beverages, condiments, pharmaceuticals, toiletries, and other applications. The core product line includes diverse cap types such as NC Flap, Unilock, Click Lock (child-resistant), Twist-off caps, screw caps, and medicinal-grade caps. The company also manufactures production machinery including cappers, crimpers, and automated cap supply systems. Additionally, they produce environmentally-friendly products using sugarcane-derived biomass materials and smart life accessories like the smartphone ring with cap opener. Nihon Closure operates as part of the Toyo Seikan Group (東洋製罐グループ).

Differentiator

Problem solved

Functional benefit

Products and services

• NC Flap (NCフラップ) Tamper-Evident Caps TE (tamper-evident) band-type closure cap with an inner flap that catches on the container rim, leaving the band on the container when opened to clearly indicate opening status. Sold to beverage, food, and consumer goods manufacturers requiring tamper evidence.
• Unilock (ユニロック) Ratchet Band Caps Ratchet-type band mechanism cap where the band remains on either the container or the cap side upon opening, signaling opened status. Used for beverage and consumer goods containers requiring tamper indication.
• Click Lock (クリックロック) Child-Resistant Caps

Quantifiable outcome

• CO2 reduction of approximately 10,260 tons per year at Komaki factory through offsite physical PPA agreement with Cosmo Oil Marketing

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature9 records

Partnerships

Five partnerships are on record, tiered minor and core.

• Cosmo Oil Marketing (コスモ石油マーケティング)minorStrategic or Co-development Partner · 1 April 2026Signed an offsite physical Power Purchase Agreement (PPA) for solar power. The partnership enables Nihon Closure's Komaki factory to reduce CO2 emissions by approximately 10,260 tons per year using solar power generated from the partner's solar power plant.
• Toyo Seikan Group (東洋製罐グループ)coreStrategic or Co-development PartnerNihon Closure is a member company of the Toyo Seikan Group (Toyo Seikan Group Holdings). The group encompasses companies engaged in packaging, container, and closure manufacturing. NCC operates under the parent holding company's compliance, environmental, and health management policies.
• Japan Cap Association (日本キャップ協会 / JCA)minorOthersNihon Closure is a member of the Japan Cap Association (JCA), the industry association for cap manufacturers in Japan.
• Shin-Sankyo Logistics (新三協物流株式会社)minorOthersListed as a group-affiliated company providing logistics services related to Nihon Closure's operations.
• Package Museum (容器文化ミュージアム)minorOthersNihon Closure participates in the Package Museum, an educational/informational facility about packaging culture.

Scale indicators2 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• AptarGroup: Global leader in dispensing closures, pumps, and sealing solutions for beverage, personal care, food, and pharmaceutical markets. Closest international comparable to NCC given overlapping product portfolios in screw caps, dispensing closures, and child-resistant packaging.
• Pelliconi & C. S.p.A. Italian crown cap and metal closure manufacturer with significant beverage industry presence. Direct competitor in crown cap and bottle closure categories where NCC also holds strong positions.
• Guala Closures: Italian global closures specialist serving wine, spirits, beverage, and food markets with aluminum and plastic closures. Comparable product overlap in screw caps, premium closures, and tamper-evident solutions for beverage manufacturers.
• Crown Holdings: World's largest metal container and crown closure manufacturer with deep beverage industry relationships. Directly comparable on metal crown caps, twist-off lug caps, and food/beverage packaging closure products where NCC also competes.
• Silgan Holdings: Major North American closures and containers producer serving food, beverage, personal care, and healthcare markets. Overlaps with NCC in dispensing closures, screw caps, and integrated capping solutions for bottlers.
• Bericap: German-headquartered global specialist in plastic closures for beverage, food, and industrial applications. Closely comparable to NCC's plastic screw cap, push-pull, and tamper-evident closure product lines for bottling customers.
• Tecnocap: Italian-headquartered manufacturer of metal and plastic closures serving cosmetic, food, beverage, and pharmaceutical markets globally. Overlaps with NCC in screw caps, lug caps, and specialty closures for branded consumer products.

Broad incumbents

• Berry Global Group: Large diversified plastic packaging manufacturer serving consumer goods, food/beverage, healthcare, and industrial markets. Overlaps with NCC in plastic caps and closures but as part of a much broader rigid and flexible packaging portfolio.
• Toyo Seikan Group Holdings: Parent conglomerate of NCC and one of Japan's largest packaging groups with operations in metal cans, plastic containers, glass bottles, and closures. Comparable as a broader packaging incumbent but spans far more product categories than NCC's closure-focused portfolio.

Others

• Dai Nippon Printing (DNP): Japanese diversified printing and packaging company with packaging operations in decoration, pouches, and containers. Tangentially comparable as a domestic packaging supplier and potential ecosystem partner rather than a direct closure competitor.

Market position

Competitive moat4 records

Key highlights7 records

Customer concentration

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 Nihon Closure