ZKU JSCo Factory for Rubber Seals

What ZKU JSCo Factory for Rubber Seals does

ZKU JSCo Factory for Rubber Seals is a private Bulgarian joint-stock company headquartered in Stara Zagora, founded in 1968. The company manufactures rubber seals intended for hydraulic, pneumatic, and general industrial machinery applications — a commodity-adjacent product category serving OEM and likely maintenance/aftermarket demand in heavy industry. Its employee base is stated at 51-100, consistent with a small-to-mid-sized specialized industrial manufacturer.

The company is structured as a for-profit private entity (JSCo) with no disclosed parent, subsidiaries, or external funding history. No product portfolio, pricing model, certifications, customer references, or distribution channel data are publicly available, and the corporate website (zku-sz.com) appears to render only a verification/loader page at the time of sourcing. No management team, partnerships, patents, awards, regulatory actions, M&A activity, or strategic transactions are on record in available sources.

From a business-model perspective, revenue mechanics are not disclosed, but the operating profile is consistent with a traditional industrial components manufacturer selling into Eastern European and broader EU machinery OEMs and industrial distributors. Key data gaps include revenue figures, customer concentration, segment mix, geographic distribution, and recent strategic activity, all of which would be required for credible investment-grade due diligence.

Name

ZKU JSCo Factory for Rubber Seals

Website

https://zku-sz.com

Company type

Private

Founded year

1968

Operating status

Operating

Headcount range

51–100 employees

Short description

ZKU JSCo Factory for Rubber Seals is a Bulgarian private manufacturer, founded in 1968 in Stara Zagora, producing rubber seals for hydraulic, pneumatic, and industrial machinery applications with 51-100 employees.

Ownership category

akta.pro rank

Product category

Industrial Rubber Seals

NAICS

Rubber Product Manufacturing for Mechanical Use (326291), All Other Rubber Product Manufacturing (326299), Other Rubber Product Manufacturing (32629)

SIC

Gaskets, Packg & Sealg Devices & Rubber & Plastics Hose (3050), Fabricated Rubber Products, Nec (3060)

akta.pro primary industry

Seals, Gaskets & O-Rings (Industrial Elastomer) (IMANALAC)

Keywords

• Rubber seals
• Hydraulic seals
• Pneumatic seals
• Industrial rubber products
• Sealing components

Headquarters

HQ city

Stara Zagora

HQ country

Bulgaria

HQ region

Europe

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel

Core offering

ZKU JSCo Factory for Rubber Seals manufactures and supplies rubber seals designed for hydraulic, pneumatic, and industrial machinery applications. The company operates as an industrial rubber product maker based in Stara Zagora, Bulgaria, serving business buyers that integrate sealing components into equipment and machinery.

Product overview

No product information available. The source content displays only a loading/verification page with no substantive company, product, or service details.

Differentiator

Problem solved

Functional benefit

Products and services

• Rubber seals for hydraulic, pneumatic, and industrial machinery Rubber sealing components manufactured for use in hydraulic systems, pneumatic systems, and general industrial machinery. Offered to industrial buyers, including machinery manufacturers, hydraulic and pneumatic equipment producers, and industrial maintenance customers that integrate or replace sealing parts in equipment.

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Direct peers

• Daemar Inc. North American manufacturer and distributor of industrial sealing products including O-rings, gaskets, and custom-molded rubber parts. A directly comparable smaller-scale specialist serving industrial machinery customers.
• Stockwell Elastomerics: US-based custom manufacturer of elastomeric components and rubber seals for industrial, medical, and electronics applications. Comparable as a specialized mid-sized rubber seal manufacturer serving industrial customers.
• Greene Tweed: Manufacturer of high-performance elastomeric seals and engineered components for industrial, oil and gas, and aerospace applications. Closely comparable as a specialized rubber seal producer with a similar niche focus.

Broad incumbents

• Trelleborg AB: Swedish global leader in engineered polymer and rubber sealing solutions for industrial, automotive, and aerospace applications. Directly comparable product overlap with ZKU's rubber seals, but at vastly greater scale, geographic reach, and R&D investment.
• Eriks Seals and Plastics: European industrial distributor and manufacturer specializing in sealing products, rubber hoses, and gaskets. Comparable product portfolio and customer segments to ZKU, with broader European distribution coverage.
• SKF (Seals business): World-leading bearings and seals manufacturer; its industrial seals product line directly competes with rubber seal producers like ZKU in rotating equipment, machinery, and industrial applications.
• Hutchinson (TotalEnergies subsidiary): Global manufacturer of rubber and elastomer products, including sealing solutions for industrial, automotive, and aerospace markets. Direct product overlap with ZKU and a major competitor in the European industrial rubber seal space.
• Freudenberg Sealing Technologies: Subsidiary of Freudenberg Group and one of the world's largest manufacturers of seals and static/dynamic sealing solutions for hydraulic, pneumatic, and industrial machinery — directly overlapping ZKU's core product categories.
• Parker Hannifin (Seals Division): Global motion and control technologies company with a substantial industrial seals portfolio serving hydraulic, pneumatic, and machinery OEMs. Comparable end markets and product categories to ZKU, with much greater scale.
• ElringKlinger: German automotive and industrial supplier producing elastomer seals and gaskets for engines, transmissions, and industrial machinery. Comparable in seal product technology and customer base, though larger and more diversified.

Market position

Strengths3 records

Weaknesses3 records

Competitive moat2 records

Key risks4 records

Key highlights4 records

Customer concentration

• Facebookfacebook.com/zkurubberseals
• LinkedInlinkedin.com/company/zku-jsco

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 ZKU JSCo Factory for Rubber Seals