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Manufacturing Since 1998 ISO 9001 Certified Third-Party Factory Audit Welcome
Buyer Proof Library

Download Center Built for Engineering Review

Use this page to request the document set needed for supplier qualification, OEM drawing review, replacement belt matching, quality approval, and export packing review. Public files stay clean; project-specific records are shared after inquiry review.

Download Catalog PDF Download Drawing Checklist Download Quality PDF
Buyer Confidence Rules
  • Public downloads contain no customer names, order numbers, labels, or private marks
  • Project-specific QA files are supplied only after technical context is reviewed
  • Drawings, old belt photos, and specifications are used for quotation and engineering review

Factory Facts

  • Since 1998
  • 27,000 sqm factory
  • 280+ production machines

Engineering Proof

  • Drawing review
  • Pitch and width confirmation
  • Sprocket or drum matching

Quality Proof

  • Material review
  • Process inspection
  • Pre-shipment photo or video proof

Audit Welcome

  • Third-party factory visit accepted
  • Inspection support on request
  • Project records kept controlled
Structured Document Sets

Documents Buyers Actually Need Before a Serious Inquiry

Each resource group answers a real procurement question: what product fits, what dimensions must be confirmed, what quality evidence can be requested, and how export packing is reviewed before shipment.

Public Download

Product Catalog Pack

Clean overview material for OEM buyers, distributors, and internal supplier comparison.

  • Spiral freezer, self-stacking, eye link, flat wire, side driven, chain driven belts
  • Application notes and product-family selection logic
  • No customer data, pricing, order numbers, or private project marks
PDF available now
Download Catalog PDFRequest Catalog Pack
Factory Proof

Production Process & Manufacturing Proof

Factory workflow evidence for buyers who need to verify manufacturing capability before supplier approval.

  • In-house wire drawing and material preparation
  • Robotic welding, forming, assembly, and workshop process flow
  • Factory visit and third-party inspection support on request
PDF available now
Download Wire Drawing PDFView Process Proof
Quality Review

Quality & Material Control Statement

Buyer-facing quality statement for supplier qualification, OEM approval, and pre-shipment review.

  • Material review, heat number, chemical composition, and mechanical property logic
  • Drawing confirmation, process inspection, and dimensional checks
  • Final QA, shipment proof, and order-level traceability
PDF available now
Download Quality PDFRequest Project QA Files
Replacement Review

Old Belt Photo & Measurement Checklist

For maintenance teams and distributors replacing an existing belt where wrong pitch, width, chain, or sprocket match can stop the line.

  • Old belt photos: top, side, edge, underside, and worn area
  • Width, rod pitch, chain pitch, running direction, and material condition
  • Urgency, installation window, and repeat-order reference
PDF available now
Download Checklist PDFStart Replacement Review
OEM Intake

Drawing Review Checklist

For equipment builders who need a belt specification reviewed against belt path, drive method, drum diameter, and matched components.

  • Drawing, belt path, overall width, pitch, and edge structure
  • Temperature, load, line speed, cleaning method, and operating environment
  • Sprocket, drum, spare parts, and export packing requirements
PDF available now
Download Drawing Checklist PDFSend Drawing
Core Belt Review

Spiral & Self-Stacking Inquiry Checklist

For buyers reviewing spiral freezer belts or self-stacking belts before quotation.

  • Spiral pitch, rod pitch, chain pitch, belt width, drum diameter, and running direction
  • Upper/lower engagement, side plate geometry, slot length, and stacking behavior
  • Old belt photos, tower path photos, and matched component details
PDF available now
Download Belt Checklist PDFSend Project Details
Export Packing

Export Packing Review Note

For buyers who need clean outer packing, shipment proof, and privacy-safe dispatch review.

  • Neutral outer packing without Chinese text when required
  • Stretch-film protection for cleaner plywood case handover
  • Pre-shipment proof after customer marks and private references are removed
PDF available now
Download Packing PDFRequest Packing Review

Public Download

  • Clean buyer-facing PDFs only
  • No prices, order numbers, customer names, or private labels
  • Best for catalogs, process summaries, and blank checklists

Request After Inquiry

  • Quality records, material reports, and project-specific files stay controlled
  • YIYI can send the right document set after understanding the project
  • Best for OEM approval, supplier qualification, and audit preparation

Internal Only

  • Brand, SEO, customer, quotation, and planning files are not public
  • Case photos must be anonymized before use
  • Videos are reviewed for customer privacy before publishing
Catalog Curation

Catalog downloads are prepared from reviewed market and product files.

The catalog source folder contains bilingual brochure and product document material. Before any file becomes a public download, it is separated from source design files, customer references, print records, and internal planning documents.

152
catalog source files

Bilingual catalogs, folded brochures, product pages, images, and source references are indexed for download-center preparation.

70
PDF candidates

PDF files are the first public-download candidates after compression, naming cleanup, and privacy review.

5.18GB
source library

Large design and brochure files stay controlled so the website only serves clean, lightweight buyer-facing documents.

0
customer details exposed

Downloads should not include customer names, private project photos, prices, labels, or hidden order information.

Ready for public download

Corporate catalog, product brochures, blank checklists, process summaries, and general quality explanations.

Send after inquiry

Material certificates, inspection records, project-specific drawings, and documents linked to buyer qualification.

Keep internal

Source design files, print vendor notes, customer project files, private quotes, and unredacted shipment documents.

Start With the Right Resource Need

Choose the Fastest Document Path

Not every buyer needs the same file set. Some need a catalog for sales work, some need engineering intake material, and some need qualification documents to move an opportunity forward.

I Need a Catalog for a Live Opportunity

  • Best for distributors and commercial conversations
  • Use when you need product overview material quickly
  • Download Catalog PDF

I Need Engineering Intake Documents

  • Best for OEM projects, drawing review, and belt matching
  • Use when the next step is technical confirmation, not brochure reading
  • Send Your Belt Drawing

I Need Distributor or Qualification Support

  • Best for partner review, export support, and market development needs
  • Use when documents are part of a wider commercial discussion
  • Discuss Market Support
Resource Groups

What Buyers Can Request Here

Open resources can stay downloadable. Controlled resources can route through inquiry or distributor qualification.

Product Support

Catalogs

  • Corporate catalog
  • Core system overview
  • All-products line card
Engineering

Product Specs

  • Spiral freezer belt reference
  • Self-stacker belt intake guide
  • Sprocket matching checklist
Quality

Quality Documents

  • Material reports
  • Inspection workflow summary
  • Hygiene-sensitive declarations on request
Commercial

Partner Documents

  • Distributor support packet
  • Export delivery overview
  • Inquiry preparation checklist
What to Send

Lower Friction, Higher Inquiry Quality

The point of a resource page is not only download volume. It should also improve the quality of the next conversation.

OEM Buyers

  • Drawing or belt sketch
  • Operating temperature
  • Load and line speed

Distributors

  • Target market and industry
  • Required product families
  • Desired commercial support

Replacement Projects

  • Old belt photos
  • Measured width and pitch
  • Urgency and quantity

Need a Document Set for a Real Opportunity?

Tell us whether this is for OEM design review, distributor support, or a replacement project. We will send the most relevant materials instead of a generic download dump.

Download Catalog PDF Send Your Belt Drawing Distributor Path
Catalog Support
Specs on Request
OEM Intake Ready
Distributor Enablement
Replacement Review Path