CHINA-BASED • INDUSTRIAL CASTER OEM SUPPLIERSPEC-FIRST QUOTING · NO PRICES PUBLISHED · NO UNVERIFIED CLAIMS
BUYER LIBRARY

Guides & articles.

Practical, specification-first guidance for caster buyers — written from the same discipline we quote by. New articles are added as the programme develops; the launch library below is complete and free to use.

TARIFF GUIDE

Caster Wheel Import Tariff Guide for US Buyers

The 8302.20 size rule, the 8716.90.30 reality, and the China stack — the classification guide most suppliers won't publish.

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SELECTION

Caster Wheel Selection Guide

Load, floor, environment, mounting, layout — the five-step order that prevents selection failures.

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LOAD MATHS

Caster Load Capacity Guide

The divide-by-three rule, dynamic vs static ratings, and the test-method question.

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MEASUREMENT

How to Measure Caster Wheels

Six measurements that decide whether a replacement fits — including the width that sets the tariff heading.

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MATERIALS

PU vs Rubber vs Nylon Caster Wheels

The three tread materials compared, with each one's signature failure named.

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LAYOUTS

Swivel vs Rigid Casters

Two-and-two, all-swivel and diamond layouts matched to equipment shapes.

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BUYING GUIDE

Leveling Caster Buying Guide

Levelled-state ratings, adjustment range, and when separate mounts still win.

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ENVIRONMENTS

Stainless Casters for Food & Washdown

304 vs 316 without the fog, plus the hygiene specification checklist.

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Looking for a topic that is not here yet — a size, a standard, an application? Ask through the RFQ form or on WhatsApp; buyer questions set the article queue.

Reading is step one. A locked specification is step two.

Send the RFQ when you are ready — the reply is a specification and a quotation, not a newsletter.

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