Warranty Policy

Effective Date: July 20, 2026
Last Updated: July 24, 2026

Sanhe Chenrong Trading Co., Ltd. provides quality diesel fuel injection components for professional automotive, commercial vehicle, and industrial applications.

We stand behind the quality of our products and provide warranty support according to the terms below.

1. Warranty Period

Unless otherwise specified:

New products: 12 months warranty
Remanufactured products: 6–12 months warranty depending on product category

Warranty period begins from the delivery date.

2. Warranty Coverage

Warranty applies to:

Manufacturing defects
Material defects
Product failures caused by production issues

3. Warranty Exclusions

Warranty does not cover:

Incorrect installation
Contaminated fuel systems
Poor fuel quality
Improper maintenance
Unauthorized modification or repair
External mechanical damage
Normal operational wear

4. Warranty Claim Process

Customers must provide:

Order information
Product identification number
Installation details
Failure description
Testing reports or photos when applicable

Our technical team will evaluate each claim.

5. Technical Support

Because diesel injection systems require professional installation and calibration, customers should ensure products are installed and tested by qualified technicians.

6. Contact Us

Warranty support:

Sanhe Chenrong Trading Co., Ltd.

Email:

shcrmyyxgs@gmail.com

Website: