Inside the factory

Manufacturing

Explore CORASEALS gasket manufacturing capabilities, material control, production processes and quality inspection for industrial sealing and replacement gasket products.

Station by station

From Sourcing to Shipment

Every unit passes each station in order — quality is checked where the work happens, not just at the exit.

Order review & planning

Models, quantities and market requirements confirmed against the order before production is released.

Check: specification sign-off

Material Selection

Suitable materials selected based on sealing applications, operating conditions and order requirements.

Check: Material verification

Production & Customization

Standard and custom sealing products sourced or manufactured according to confirmed dimensions, materials and specifications.

Check: Dimensions & material specifications

Incoming Quality Inspection

Sealing products inspected for appearance, dimensions and material conformity, with additional checks arranged when required.

Check: Visual & dimensional inspection

Final Quality Control

Product quantities, specifications and inspection results reviewed against order requirements before shipment approval.

Check: Quality & order conformity

Packing & Export Documentation

Sealing products packed for safe international transport, with shipping documents prepared according to customer requirements.

Check: documents & packing list

Full description

Manufacturing details

Our Manufacturing Capabilities

CORA SEALS combines its own manufacturing capabilities with a network of specialized manufacturing partners across China. Through our own factory and established industry partnerships, we provide a comprehensive range of industrial sealing products, from standard replacement parts to custom-engineered components, offering competitive pricing, flexible production and reliable supply.

Production Capabilities

Rubber sealing products: O-rings, sealing rings, plate heat exchanger gaskets and other molded rubber components in NBR, EPDM, FKM, silicone and various elastomer materials.
Industrial gaskets: flange gaskets, PTFE gaskets, non-asbestos gaskets and custom-cut sealing products for industrial applications.
Oil & hydraulic seals: rotary shaft seals, hydraulic piston and rod seals, wiper seals and other sealing components in standard and custom configurations.
Custom manufacturing: non-standard dimensions, special materials, custom profiles and sealing components manufactured according to drawings or samples.

Quality Control

Our quality control process covers material verification, dimensional inspection, visual checks and pre-shipment inspection. Depending on product requirements, hardness testing, material certificates and additional inspection reports can also be arranged. We work closely with our manufacturing partners to maintain consistent product quality across different sealing categories.

R&D and Customization

Our manufacturing capabilities and technical partnerships enable us to support OEM and custom sealing projects, including material selection, product design adjustments, tooling development and sample-based production. We work with customers to identify suitable sealing solutions based on dimensions, operating temperatures, pressure conditions and media compatibility.

Through our own factory and industry alliance, CORA SEALS offers the flexibility to handle multiple product categories, consolidate orders and provide dependable export support.

Contact us to discuss your sealing requirements, request a quotation or learn more about our manufacturing and supply capabilities.

Capabilities

How We Support Your Sealing Projects

Certificate

Custom Sealing Solutions Custom sizes, materials and profiles based on drawings or samples.

OEM & Private Label Your brand, packaging and manuals on our production line

Extensive Product Range A wide selection of industrial seals through our factory and manufacturing partners.

Documentation Support Product inspections, material certificates and export documentation support.

See it yourself

Ask for a live video tour of the production plant.

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