Nanjing Chuangdao Technology Co., Ltd.: Siemens general controller for comfort control in HVAC and refrigeration systems. Our company has been using it in projects for years; it's user-friendly and performs well. Welcome to purchase if interested.

After-Sales Service

We guarantee a full refund or exchange within 7 days for any quality issues.

Description: Intentional product damage by the user and non-quality issues with the product do not fall under the scope of this clause.

2. One-year warranty and 7-day exchange.

3. Not covered under the free warranty:

① Product damaged by human error

②, Over one-year warranty period

③ User's improper operation has caused damage to the main components of the product.