Product Support
JJT Support & Resources
A practical support center for distributors, OEM buyers and cutting-machine users—from model confirmation and installation to troubleshooting and compliance documents.
Choose a Resource
Start With the Right Support Path
Compatible Models
Check which device groups and cutting-machine formats fit your screen protector program, then submit exact models for confirmation.
Check model compatibility →Downloads
Request current machine manuals, specification sheets, certificates, test reports and product-selection documents.
Open the download center →Installation Instructions
Follow product-specific preparation and application guidance for tempered glass, hydrogel film, UV film and cutting machines.
View installation instructions →Troubleshooting
Start with safe checks for bubbles, lifted edges, cutting issues, missing templates and machine connection problems.
Find troubleshooting help →Certifications
Review JJT management-system certificates, product compliance documents, third-party test reports and patents.
Review certification evidence →Technical Support
Send the product name, machine model, device model, order number and clear photos or video so the team can respond efficiently.
Contact JJT support →Faster Support
Prepare These Details Before Contacting Us
Material or product name and specification.
Phone model or cutting-machine model.
Clear photos, video and when the issue occurs.
Order number, quantity and destination market.
Product Selection
Still Planning Your Program?
Compare JJT product lines first, then send a focused request with device models, quantity and packaging requirements.