Xingtai Oubei

Knowledge center / 01

Engineering resources

Practical material guidance, test methods, and application notes for teams designing reliable sealing systems.

O-rings arranged over a technical drawing in a test laboratory
Featured guide

Material selection handbook for industrial seals

20+

Years of sealing know-how

ISO 9001

Quality system in operation

48 h

Typical drawing review

Start with the essentials

Guidance for your next sealing decision

Short, practical reads written for design engineers, quality teams, and purchasing partners.

O-rings arranged over a technical drawing in a test laboratory

Technical guide

Material selection handbook for industrial seals

Compare temperature, fluid compatibility, compression set, and cost before you lock a compound into a drawing.

Read the guide
Universal tensile testing machine in the quality laboratory

Testing note

How we measure tensile strength and elongation

A visual tour of the test method, sample preparation, and reporting controls behind every batch release.

Open resource
Rubber and plastic sealing solutions exhibition booth

Company update

Global connectivity starts with traceable supply

What our engineering and logistics teams bring to trade shows, supplier audits, and long-term programs.

Open resource

Resource library

Browse by application and discipline

Keep these notes close when a specification changes, a test result surprises you, or a launch date moves closer.

Rotary shaft seal installed in an industrial machineApplication

Application note

Rotary seal design: controlling friction and leakage

Profile geometry, shaft finish, and lubrication choices that help rotating equipment run cleanly for longer.

7 min read
Engineer reviewing molecular material data in a digital labEngineering

Engineering brief

A faster path from compound chemistry to production

Use our materials library to move from an application constraint to a validated compound recommendation.

6 min read
Quality certificates displayed in an officeQuality

Quality

Quality systems and certificates

See how ISO 9001 controls, lot traceability, and incoming inspection support consistent global deliveries.

3 min read
Quality engineer measuring a molded rubber sealing componentLab note

Testing note

Dimensional inspection for molded sealing parts

The measurement sequence we use to verify critical dimensions, flash, concentricity, and surface finish.

5 min read

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