Sealing solutions and custom rubber seals

At Suzhou Menhow, we specialize in the design, development, and high-volume production of custom rubber seals, gaskets and O-rings for demanding applications across consumer electronics, automotive, medical devices, and industrial systems. Our sealing components — from Silicone Sealing Gaskets to self-lubricating molded seals — are engineered and manufactured for performance, reliability, and cost.

Our Expertise

Reliable sealing is critical — without it, products can leak, malfunction, or pose serious safety risks. At Menhow, we go beyond simply manufacturing parts. We deliver engineered sealing solutions designed to lower failure rates, extend product lifespan, and streamline your assembly process.

Expert Design Support

Our engineers collaborate with your team early in development to optimize seal geometry, materials, and assembly

Fast Prototyping

We provide rapid tooling and sample delivery to accelerate validation and shorten your development cycle

Precision Tooling

In-house mold design ensures dimensional accuracy and repeatable quality

Cost-Effective Scalability

ISO-certified production facilities support millions of units annually, with strict quality control and lean manufacturing practices that drive cost-effective scalability.

Application Versatility

We support industries including automotive, grooming, appliances, electronics, and medical

Sustainable Manufacturing

We prioritize material efficiency, waste reduction, and long-lasting performance — supporting your goals for eco-friendly product development and supply chian.

Our Material

We offer a wide range of rubber materials to meet your performance, compliance, and environmental needs:

LSR (Liquid Silicone Rubber)

Ideal for LSR food-grade seals and medical components

NBR

Oil and abrasion-resistant for automotive or industrial use

EPDM

95% material utilization with precision molding

Excellent for water sealing and outdoor durability

FKM/Viton

High-temperature resistance for aggressive environments

Silicone Rubber

Biocompatible, flexible, and reliable across wide temperature ranges

Product Range and Case Study

Custom sealcup for grooming and personal care

Self-lubricating Silicone Rubber O-ring and Seals

Custom rubber O-rings for various application

Shaft Seal and Rubber Oil Seal

Sun protection tent

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Application Area

Medical Equipment

Electronic & Electrical Equipment

Industrial Machinery

Automotive & New Energy

Consumer Electronics & Home Appliances

Sealing for fluid pipelines in life-support devices (e.g., ventilators, anesthesia machines, infusion pumps) and dynamic components of diagnostic instruments (e.g., blood glucose meters, blood pressure monitors), featuring Food Safe Rubber Gasket, Custom O Rings and Silicone Seals ensuring patient safety.

Waterproof Rubber Seal and O-rings for rollers in printers and waterproof, dustproof parts of sensors, connectors, and industrial controllers;

Silicone Rubber Oil Seal, High Temp Rubber Seal, Heat Resistant Silicone O-rings and other moulded rubber seals applied to dynamic transmission components (e.g., robot joints, cylinder pistons, hydraulic valve blocks) and sealing nodes of assembly line conveying equipment;

Withstands extreme temperatures (-40℃~200℃) and chemical media, meeting high-reliability and long-life silicone rubber sealing requirements of new energy vehicles, power battery packs and dynamic sealing parts of gearboxes/steering sytesms, with options including Silicone O Rings, Silicone Rubber Sealing Washer, and High Temp Seals.

Waterway sealing for kitchen and bathroom appliances (e.g., coffee machines, dishwashers, water purifiers) and precision components of smart wearables/drones, such as Waterproof Rubber Seal, Sink Rubber Gasket, Silicone Gasket Ring.

0102030405

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We are committed to providing you with the best quality service and look forward to communicating with you to solve problems together and bring you a better experience.