Ge Mao Rubber Industrial Co.

What Ge Mao Rubber Industrial Co. does

Ge Mao Rubber Industrial Co., Ltd. (GMORS) is a Taiwan-headquartered manufacturer of precision rubber sealing components, founded in 1986 and operating today with between 1,001 and 5,000 employees. Its product portfolio spans O-rings (in AS 568, BS 4518, Metric, SMS 1586, GB/T 3452.1, JIS B2401 and JASO F404 specifications), X-rings, back-up rings, hydraulic and pneumatic seals, gaskets and packings, diaphragms, infinite-size continuous O-rings, LSR (liquid silicone rubber) products, metal-bonded rubber seals, hammer-union seals, packer elements and TPE/TPU seals. The company sells to OEM customers across eleven end-markets — general industry, automotive, drinking water, healthcare, hydraulic and pneumatic, oil and gas, semi-conductor, aerospace, agricultural, renewable energy and food — with no publicly disclosed customer concentration.

The firm's technical differentiation rests on three decades of accumulated rubber-compound formulation across NBR, HNBR, EPDM, FKM and FFKM elastomers, backed by an ISO 17025 accredited in-house laboratory and strategic raw-material alliances with Chemours (Viton™), AGC Chemicals (AFLAS®), ArlanxEO (Buna®), Zeon Chemicals (Hydrin®), Celanese (Vamac®) and Solvay. Manufacturing precision reaches a minimum ID of 0.50 mm and cross-section of 0.40 mm with dimensional tolerances of ±0.01 mm and flash control of 0.03 mm; an advanced PTFE coating reduces static coefficient of friction by more than 70% and meets ISO 16232 Grade G6 cleanliness for automotive OEMs; ultra-low-temperature FKM compounds achieve TR10 of −45°C; and a Class 1,000 cleanroom supports medical USP Class VI production. Cross-industry certifications — ISO-13485, AS-9100, NORSOK M-710 Rev 2, NSF, WRAS, ACS, DVGW, UBA (KTW), AS/NZS 4020 and UL — qualify the firm to supply regulated OEM accounts in medical, aerospace, oil and gas, drinking water and food-contact applications.

The business model is a B2B design-to-manufacturing enterprise: products are engineered to customer specification, manufactured in Taiwan, and sold under quote-based pricing that is not publicly disclosed. Revenue is generated through direct OEM sales, an online stock system (stock.gmors.com) for standard products aimed at SMB buyers, and EDI integration for enterprise customers. Distribution is supported by local-language websites in 14 country editions (English, Traditional and Simplified Chinese, Japanese, Korean, Vietnamese, Spanish, Portuguese, Turkish, German, Thai, Indonesian and Singapore English), trade-show participation at SEMICON Southeast Asia, Computex, VIMF Vietnam and EXPOMECANICA Peru, and a portfolio of registered strategic-alliance sub-brands (HiPerSeal®, HiPerLip®, HiPerFlon®, ParSave®, ParSeries®). The firm is privately held with no disclosed parent, subsidiaries, external investors or public-listing plans, and revenue figures are not publicly reported.

Name

Ge Mao Rubber Industrial Co.

Legal name

Ge Mao Rubber Industrial Co., Ltd.

Website

https://gmors.com

Company type

Private

Founded year

1986

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Ge Mao Rubber Industrial Co. (GMORS) is a Taiwan-based manufacturer founded in 1986 that produces precision rubber sealing components — O-rings, hydraulic and pneumatic seals, gaskets, diaphragms and LSR parts — sold to OEM customers across automotive, semiconductor, medical, aerospace, oil and gas, food and drinking-water industries globally.

Ownership category

akta.pro rank

Product category

Industrial Rubber Sealing Components

NAICS

Gasket, Packing, and Sealing Device Manufacturing (339991), Rubber Product Manufacturing for Mechanical Use (326291), Rubber Product Manufacturing (3262)

SIC

Gaskets, Packg & Sealg Devices & Rubber & Plastics Hose (3050), Fabricated Rubber Products, Nec (3060), Motor Vehicle Parts & Accessories (3714)

akta.pro primary industry

Seals, Gaskets & Fluid Connectors (O-rings, packings, rotary seals, quick couplers) (IMAHAGAI)

akta.pro secondary industries

Automotive Weatherseals, Gaskets & Sealing Systems Manufacturing (Door/Window/Trunk Seals) (IMACAKAI), Food-Grade, Medical & Cleanroom Rubber Compounds (IMANAJAH), General-Purpose Rubber Compounds (NR/SBR/BR/EPDM) (IMANAJAA)

Keywords

• Rubber sealing components
• Precision O-rings
• Industrial elastomer products
• Hydraulic and pneumatic seals
• Custom molded rubber parts

Headquarters

HQ city

Changhua

HQ country

Taiwan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Sealing Components Manufacturing: Design-to-manufacturing solutions for rubber sealing components including O-Rings, X-Rings, Hydraulic Seals, Pneumatic Seals, Gaskets, Diaphragms, and custom molded rubber parts. Products are sold to automotive, semiconductor, medical, industrial, and other OEM manufacturers worldwide.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

GMORS designs and manufactures precision rubber sealing components — including O-Rings, X-Rings, Back-Up Rings, Hydraulic Seals, Pneumatic Seals, Gaskets, Diaphragms, Medical Seals, Sanitary/Drinking Water Seals, and strategic alliance products (HiPerSeal®, HiPerLip®, HiPerFlon®, ParSave®, ParSeries®) — for OEM manufacturers across automotive, semi-conductor, medical, drinking water, food and drug, aerospace, oil and gas, hydraulic and pneumatic, and general industrial markets worldwide.

Product overview

GMORS (Ge Mao Rubber Industrial Co.) is a leading Taiwan-based manufacturer of precision rubber sealing components established in 1986. The company offers a comprehensive portfolio of industrial sealing products including O-Rings (in various international standards: AS 568, BS 4518, Metric, SMS 1586, GB/T 3452.1, JIS B2401, JASO F404), X-Rings, Back-Up Rings, Hydraulic Seals, Pneumatic Seals, Gaskets & Packings, Diaphragms, Infinite Size O-Rings, and LSR Products. The portfolio extends to specialized segments including Medical Seals (ISO-13485 certified cleanroom manufacturing), Sanitary & Drinking Water Seals (NSF, WRAS, ACS certified), and TPE & TPU Seals. Through strategic alliances, GMORS also distributes premium products including HiPerSeal® Spring Energized Seals, HiPerLip® and HiPerFlon® Rotary PTFE Lip Seals, PTFE Glide Seals Sets, ParSave® Bearing Isolators, and ParSeries® Mechanical Seals. The company serves diverse industries including Automotive, Semi-conductor, Medical, Drinking Water, Food & Drug equipment, Aerospace, Hydraulic & Pneumatic, Oil & Gas, and general industrial markets.

Differentiator

Problem solved

Functional benefit

Brands

• HiPerSeal®: Spring Energized Seals - strategic alliance product
• HiPerLip®
• HiPerFlon®
• ParSave®
• ParSeries®

Products and services

• O-Rings Standard O-Rings in multiple international specifications (AS 568, BS 4518, Metric, SMS 1586, GB/T 3452.1, JIS B2401, JASO F404) for general industrial sealing applications across OEM markets.
• X-Rings Four-lobed sealing rings providing lower friction and better sealing performance than standard O-Rings for dynamic sealing applications.
• Back-Up Rings Support rings used in high-pressure applications to prevent O-Ring extrusion and improve sealing reliability.
• Hydraulic Seals Sealing solutions for hydraulic systems manufactured in various rubber and thermoplastic materials, featuring low swelling, good wear resistance, and suitability for high temperature and pressure environments.
• Pneumatic Seals Sealing components for pneumatic systems offering good abrasion resistance and flexibility for dynamic and static applications.
• Gaskets & Packings Flat seals and packing solutions for static sealing applications in various industrial environments.
• Diaphragms Flexible membrane seals used in pumps, valves, and regulators for controlling fluid and gas flow.
• Infinite Size O-Ring Custom-manufactured continuous O-Rings in any size without standard dimension limitations.
• LSR Products (Liquid Silicone Rubber) Platinum-catalyzed liquid silicone rubber products for liquid injection molding with high transparency and excellent mechanical properties.
• Medical Seals Sealing components manufactured in ISO-13485 certified Class 1,000 cleanroom with USP Class VI grade materials for pharmaceutical and medical device manufacturers.
• TPE & TPU Seals Thermoplastic elastomer seals offering high abrasion resistance, excellent low-temperature impact strength, and resistance to oils and solvents.
• Metal-Bonded Rubber Seals Composite seals combining rubber with metal for enhanced structural support and sealing performance in demanding applications.
• Sanitary & Drinking Water Seals

Quantifiable outcome

• Precision O-Ring technology achieves minimum production size of ID 0.50mm and C/S 0.40mm with dimensional tolerances controlled within ±0.01mm
• +4 more outcomes

Named customers4 records

Segments11 records

Ideal customer profiles6 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Six partnerships are on record, tiered core and supporting.

• Chemours (Viton™)coreTechnology or IntegrationStrategic alliance for Viton™ fluorocarbon rubber materials. GMORS supplies products made with Chemours Viton™ compounds including standard FKM, GLT (low temperature), ETP Extreme, and various fluorine content grades (66%-70%).
• AGC Chemicals (AFLAS®)coreTechnology or IntegrationStrategic alliance for AFLAS® TFE/propylene polymer materials offering better base and steam resistance than general Viton™ compounds. Suitable for amine, amide and some base applications.
• ArlanxEO (Buna®)supportingTechnology or IntegrationMaterials sourced from ArlanxEO for SBR and NBR rubber compounds. Buna® is a registered trademark used for styrene-butadiene and nitrile rubber materials.
• Zeon Chemicals (Hydrin®)supportingTechnology or IntegrationStrategic alliance for epichlorohydrin elastomers including CO, ECO, and GECO grades. Hydrin® trade name products offer excellent low temperature flexibility and oil resistance.
• Celanese (Vamac®)supportingTechnology or IntegrationMaterials sourced from Celanese for ethylene/acrylic elastomer (AEM) compounds. Vamac® compounds offer excellent heat resistance and good flexibility.
• SolvaycoreTechnology or IntegrationRaw material supplier for fluororubber compounds. Note: Solvay peroxide-cured compounds affected by EU REACH PFHxS restriction, with GMORS updating inventory for compliance by 2024.

Scale indicators2 records

Recent moves6 records

Expansion highlights7 records

Direct peers

• Daemar Inc. Canadian manufacturer and distributor of O-rings, oil seals, gaskets and custom molded rubber products serving industrial and automotive customers — comparable standard-seal product mix and similar multi-market distribution model.
• Kastas Sealing Technologies: Turkish manufacturer of hydraulic and pneumatic seals, O-rings, and custom molded rubber components serving industrial, mobile and agricultural OEMs — comparable product portfolio with similar scale and geographic overlap in emerging markets.
• Greene Tweed: US-based manufacturer of high-performance elastomer seals and polymer components serving semiconductor, aerospace, oil & gas, and life sciences markets — comparable specialty focus and overlap with GMORS's perfluoroelastomer and NORSOK-certified product lines.
• Apple Rubber Products: US-based precision molded rubber sealing components manufacturer specializing in standard and custom O-rings, with online stock and engineering support — directly comparable online stock catalog model and standard-O-ring product line.
• Marco Rubber & Plastics: US distributor and manufacturer of standard and custom O-rings, rubber seals, gaskets, and custom molded rubber products with strong e-commerce catalog — directly comparable standard O-ring catalog and stock system approach.
• Precision Polymer Engineering (IDEX): UK-based specialist in high-performance elastomer seals and O-rings for semiconductor, oil & gas, pharmaceutical and aerospace OEMs; closely comparable in product mix and end-market specialization, particularly perfluoroelastomer compounds for wafer processing.

Broad incumbents

• Freudenberg Sealing Technologies: Global sealing leader supplying O-rings, custom molded seals and high-performance elastomer components for automotive, healthcare, food and process industries; competes head-to-head with GMORS in many of the same regulated end-markets, especially automotive and food-grade.
• Trelleborg Sealing Solutions: Division of Trelleborg AB and one of the world's largest manufacturers of precision polymer seals, O-rings and engineered sealing solutions for aerospace, automotive, medical and industrial OEMs — directly overlapping with GMORS's core product and customer base, but at significantly larger global scale.
• Parker Hannifin (Seal Group): Industrial conglomerate with a major sealing technologies segment covering O-rings, hydraulic/pneumatic seals, and engineered polymer solutions — directly comparable product portfolio and end-market exposure, particularly in hydraulic/pneumatic and aerospace.

Others

• Mitsubishi Chemical Group (high-performance elastomers / seal materials): Major Japanese material supplier of specialty elastomers and fluoroelastomers used in sealing; while primarily a materials supplier rather than a seal fabricator, it is comparable as an Asia-based ecosystem participant that competes indirectly for downstream sealing value capture.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/watch?v=3refNKysHaY
• Xx.com/gmorsrubber
• Facebookfacebook.com/GmorsRubber
• LinkedInlinkedin.com/company/gmors

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 Ge Mao Rubber Industrial Co.