Warranty & After-Sales Service Policy

1. General Warranty Coverage

CHANZETHOR provides a 12‑month limited warranty for all original machinery products, valid from the date of customer delivery. This warranty covers all manufacturing and material defects that occur under normal operating conditions and proper daily maintenance.

All structural and technical issues found during product development have been continuously optimized and upgraded to improve overall durability and stability. Our machinery is engineered for long‑term, heavy‑duty use with proper operation.

2. Official After‑Sales Support

Our professional after‑sales team provides full‑cycle technical support for all CHANZETHOR equipment buyers, including the following services:

Remote Technical Guidance: Step‑by‑step troubleshooting, operation guidance, and technical consultation via email. We respond to all service requests within 24 working hours.

Warranty Spare Parts Support: Wearable and easily damaged parts are available for replacement within the warranty period for confirmed factory quality issues.

Product Iteration & Optimization: We continuously upgrade product structures and components based on user feedback and actual usage scenarios to reduce equipment failure rates and improve overall product performance.

Note: We do not provide on‑site repair, local warehouse instant replacement, or full machine replacement services.

3. How to Apply for Warranty Service

To obtain professional after‑sales and warranty support, please submit relevant materials via our official support email. You need to provide: valid order number and purchase date, complete product model and machine serial number, as well as detailed problem descriptions, defect photos or operation fault videos.

Our professional technical team will conduct remote fault diagnosis and provide targeted and professional solutions within 1 to 2 working days.

4. Warranty Exclusions

The following situations are not covered by our limited warranty:

Damage caused by improper operation, overloading, or non‑compliance with the official operation manual;

Normal wear and tear of wearable parts during daily use;

Damage or malfunctions caused by unauthorized modification, disassembly, or self‑repair of the equipment;

Faults caused by insufficient daily maintenance, improper storage, or working environments beyond the product's design standards;

Damage caused by artificial collision, accidental impact, or natural disasters.

5. Shipping & Replacement Rules

For equipment faults confirmed to be within the warranty scope, we will provide qualified official replacement spare parts. Unless otherwise stipulated in the official order agreement, the international shipping cost of replacement parts shall be borne by the customer.

6. Service Commitment

CHANZETHOR strictly controls factory product quality and continuously optimizes product structures and performance to minimize equipment failure rates. We adhere to professional and standardized after‑sales service processes and provide reliable full‑cycle remote technical support to ensure every user can operate, maintain and use the equipment safely, stably and efficiently.