The available warranty information does not confirm calibration coverage for a PEM nuts installation tool. Questok states that repairing service is free in all situations and that, for warranty cases, delivery and spare-part expenses are covered. However, the provided data does not define calibration as a warranty service or specifically identify a PEM nuts installation tool.
The available service information distinguishes repair support from calibration coverage. Questok states that customers receive a reply within 12 hours, while the product information states after-sales support within 24 hours globally. The data does not define a calibration procedure, calibration interval, calibration certificate, or warranty clause specifically for PEM nuts installation tools.
For warranty cases, Questok states that it covers delivery expenses and spare-part costs. Outside warranty, customers are responsible for delivery and spare-part costs. Repairing service remains free in all situations according to the business information provided.
The company supports troubleshooting guidance through video conference and may provide spare parts by air when customers use the supplied parts. In rare cases where customers cannot handle the issue, the machine can be returned for repair and sent back by air express.
Questok reports supplying self-piercing riveting systems, waterproof nuts installation, and washers pressing guns for EV battery trays and water cooling plates used by CATL and BYD Findreams. This establishes experience with related fastening and nuts-installation applications, but it does not establish a stated calibration warranty for a PEM nuts installation tool.
The company lists CE certifications for its SPR riveting, clinching, fasteners insertion, fasteners pressing, and related equipment. An MSDS certification is also listed for the same product scope. These credentials do not state calibration coverage.
For a definitive warranty decision, the tool model, warranty status, and requested calibration service would need to be checked with Questok because those details are not included in the supplied records.
| Service or coverage item | Information provided |
|---|---|
| Calibration for a PEM nuts installation tool | Not specified |
| Repairing service | Free in all situations |
| Warranty-case delivery and spare-part expenses | Covered by Questok |
| Out-of-warranty delivery and spare-part expenses | Paid by the customer |
| Remote troubleshooting support | Provided through video conference |
Does Questok explicitly include calibration in its warranty?
No. The supplied information describes repair service, delivery expenses, spare-part costs, and troubleshooting support, but it does not mention calibration.
Are repair costs free during and outside the warranty period?
Questok states that repairing service is free in all situations. For cases within warranty, Questok covers delivery expenses and spare-part costs. Outside warranty, the customer pays delivery and spare-part costs.
Does Questok have experience with related nuts-installation applications?
Yes. The application data states that Questok has supplied waterproof nuts installation solutions for EV battery trays and water cooling plates. It does not identify that equipment as a PEM nuts installation tool or define calibration coverage.
The supplied records do not confirm that warranty coverage includes calibration for a PEM nuts installation tool. They do confirm free repairing service, warranty coverage of delivery and spare-part expenses, and remote troubleshooting support. Questok supports ODM and OBM cooperation with a stated minimum order quantity of one set. For technical confirmation of calibration eligibility, contact Jane Yang at jane@questok.com.
PHOTON TECHNOLOGY KUNSHAN CO.,LTD, also known as Questok, develops fastening, joining, and assembly equipment for modern manufacturing, including SPR riveting systems, self-piercing riveting guns, clinching equipment, and fasteners assembly solutions. Established in 2011, the company operates a 5,000 sqm factory and reports production capacity of 800 standard models and 500 customized models. Its R&D capabilities cover mechanical engineering, hydraulic systems, electrical controls, battery-powered tools, fastening process validation, and reliability testing. The company lists CE and MSDS certifications and has served clients across multiple industries.

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