I. Free door-to-door installation policy
1. All users who buy Huasuo electronic lock can enjoy the one-time free door-to-door installation service provided by our company.
2. Free installation conditions are as follows: ① The installation must be arranged by the service outlets designated by our company.
3. Negotiate the charges. After the three package period, the charges are as follows: (1) the door opening of special material, (2) the lock is removed, removed or reinstalled,
If the above and other conditions do not meet the requirements of free installation, installation shall be charged.

Ii. Free warranty policy
Anyone who buys huasuo electronic lock can enjoy the service of "lock free warranty for 1 year" provided by our company, the warranty period starts from the date of lock acceptance.
The free warranty conditions are as follows:
1. It must be within the warranty period;
2. The service outlets designated by our company must arrange personnel for installation and maintenance;
3, failure caused by non-human reasons.

Warranty registration procedures
1. After the lock installation and debugging is qualified, please assist the installation personnel to fill in the "Customer Satisfaction Reply Letter" and submit it to the installation personnel of our company;
2. The warranty card is the necessary proof for obtaining free service during the warranty period. Please keep it properly.

Product return and exchange policy
It shall be carried out with reference to the Provisions on the Responsibility of Returning Goods for repairing and replacing some Commodities of the relevant ministries and commissions of the State.

V. Matters not within the scope of "Three guarantees" service (charging system)
1. Damage is caused by improper use or improper storage by users;
2. The damage is caused by installation, maintenance and locking of the service outlets not designated by our company;
3. There is no "Warranty Card" and no warranty procedures;
4. The lock model of the "Installation Warranty Card" is not consistent with that of the repaired lock;
5. The Installation Warranty Card has been altered;
6. Purchased locks exceed the warranty period;
7. Damage caused by force majeure;
8. Service items and contents not committed by our company.