OEM & ODM Sealing Profiles ManufacturerEmail: dora@onaseal.com  |  WhatsApp: +86 15920544735
Manufacturing & Quality

Controlled Production for Custom Sealing Profiles

A practical B2B workflow for rubber, foam, PVC, silicone and brush profiles—from drawing review and sample approval to production checks and export packing.

Onaseal rubber sealing profile extrusion and curing production line
Project Workflow

From RFQ Review to Export Shipment

Inspection points are agreed around the product drawing, approved sample and application requirements.

01

Requirement Review

Confirm application, cross-section, dimensions, material, quantity, joining, adhesive and packaging needs.

02

Tooling & Sample

Review manufacturability, prepare tooling when required and produce a sample for dimensional and fitting evaluation.

03

Sample Approval

Record the agreed profile, critical dimensions, appearance and packing details before bulk production.

04

Production & Packing

Run production against approved requirements, complete agreed checks and prepare labeled export packaging.

Buyer Input

What to Include in Your RFQ

  • Perpendicular cross-section drawing or clean physical sample
  • Critical dimensions, tolerances and mating-part measurements
  • Application photos and operating environment
  • Material, hardness, color and surface requirements
  • Roll length or cut length, annual demand and first-order quantity
  • Labels, cartons, pallets and required inspection documents

Why This Matters

A complete RFQ reduces profile selection errors and helps both sides define measurable acceptance criteria before production.

For replacement seals, include an uncompressed sample and photos showing the installed position.

Quality Planning

Typical Production Checkpoints

The exact inspection plan depends on the profile, application and buyer requirements.

Material & Batch Identification

Define the required material family, hardness or density target and any project-specific documentation before production.

Cross-Section & Dimensions

Compare the extruded section and agreed critical dimensions with the approved drawing or reference sample.

Surface & Secondary Operations

Review visible surface condition, adhesive placement, flocking, carrier position, joining or cutting when applicable.

Length, Quantity & Packing

Confirm roll or cut length, quantity, labels, carton arrangement and pallet requirements before shipment.

Inside Our Factory

Real Production, Tooling and Inspection Activities

Authenticity note: The photographs below were supplied by Onaseal and show actual production equipment, tooling storage and factory operations. Individual processes vary by profile and order requirements.

Onaseal rubber sealing profile extrusion and curing production line
Actual Factory Photo

Profile Extrusion & Curing

Continuous production equipment supports sealing-profile extrusion and controlled downstream processing according to the approved profile requirements.

Onaseal extrusion die library for custom sealing profile development
Actual Factory Photo

Custom Extrusion Tooling

Organized extrusion dies support profile development from drawings or physical samples, subject to tooling and manufacturability review.

Onaseal worker inspecting and rewinding self-adhesive foam sealing strips
Actual Factory Photo

Rewinding & Visual Inspection

Operators monitor finished rolls during rewinding and packing preparation; agreed dimensions and acceptance checks depend on each order.

Change Control

Keep the Approved Profile as the Reference

For repeat production, buyers should identify the approved drawing revision, reference sample, material requirement and packaging version. Any requested change should be reviewed before the next production batch.

Project-specific records, inspection frequency and acceptance limits should be agreed in writing because different profiles and industries require different controls.

Documents to Discuss During RFQ

  • Approved drawing or profile specification
  • Sample approval record
  • Dimensional inspection requirements
  • Material documentation requested by the buyer
  • Packing specification and label artwork
Company Identity

Business Registration Information

Zhuhai Onaseal Technology Co., Ltd. is presented as a limited liability company established in Zhuhai, Guangdong, China on June 1, 2023. Registration information was supplied by the business owner for website identity review.

The original registration document is not published on this website because it contains personal, address and machine-readable information. Buyers may request appropriate company information during supplier verification.

Supplier Verification

  • Confirm the legal company name on quotations and contracts
  • Match bank and beneficiary information before payment
  • Request project-specific inspection documents during RFQ review
  • Do not rely on website images alone for supplier qualification
Request Company Information
FAQ

Manufacturing & Quality Questions

Provide a perpendicular cross-section drawing or sample, critical dimensions, application photos, material preference, quantity and packaging requirements.

A sample approval step can be included so profile fit, dimensions and application performance are reviewed before bulk production.

Available inspection records and documentation depend on the product and agreed quality plan. State required records during RFQ review.

Start With a Drawing, Sample or Application Photo

Tell us the critical dimensions, material, quantity and inspection requirements for an engineering review.

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