Technical resources

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Only current, approved, file-backed documents are shown. Check document type, language, market, revision, and date before use.

Document release checks

A controlled route to the right file

A technical file appears here only after its product relationship, revision details, publication scope, and approved original have been recorded.

01

Product relationship

The file must be linked to the correct TONGYI product and public model before it can be listed.

02

Revision and scope

Document type, language, market, revision, and issue date are checked so buyers can identify the intended version.

03

Approved original file

No placeholder PDF or recreated technical sheet is offered as an official download.

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