KEYSTONE has established clear after-sale policy, we have a trained team
providing professional after-sale services for you and following up with
customers to ensure they are satisfied with the resolution. If you need a fter
-sale services, contact us by e-mail at [email protected]
The following conditions are not covered in the warranty.
1. Exceeding the warranty.
2. Damage caused by improper use, maintenance, and storage.
3. Damage caused by unauthorized repair.
4. Damage caused by force majeure.
How can I become a wholesaler of KEYSTONE?
KEYSTONE has established clear after-sale policy, we have a trained team
providing professional after-sale services for you and following up with
customers to ensure they are satisfied with the resolution. If you need a fter
-sale services, contact us by e-mail at [email protected]
The following conditions are not covered in the warranty.
1. Exceeding the warranty.
2. Damage caused by improper use, maintenance, and storage.
3. Damage caused by unauthorized repair.
4. Damage caused by force majeure.
How can I become a brand promoter?
KEYSTONE has established clear after-sale policy, we have a trained team
providing professional after-sale services for you and following up with
customers to ensure they are satisfied with the resolution. If you need a fter
-sale services, contact us by e-mail at [email protected]
The following conditions are not covered in the warranty.
1. Exceeding the warranty.
2. Damage caused by improper use, maintenance, and storage.
3. Damage caused by unauthorized repair.
4. Damage caused by force majeure.
How long is the lead time for the product after the order placed?
KEYSTONE has established clear after-sale policy, we have a trained team
providing professional after-sale services for you and following up with
customers to ensure they are satisfied with the resolution. If you need a fter
-sale services, contact us by e-mail at [email protected]
The following conditions are not covered in the warranty.
1. Exceeding the warranty.
2. Damage caused by improper use, maintenance, and storage.
3. Damage caused by unauthorized repair.
4. Damage caused by force majeure.
How much nicotine in the vapes and what flavors are available?
KEYSTONE has established clear after-sale policy, we have a trained team
providing professional after-sale services for you and following up with
customers to ensure they are satisfied with the resolution. If you need a fter
-sale services, contact us by e-mail at [email protected]
The following conditions are not covered in the warranty.
1. Exceeding the warranty.
2. Damage caused by improper use, maintenance, and storage.
3. Damage caused by unauthorized repair.
4. Damage caused by force majeure.
What is the minimum order quantity (MOQ)?
KEYSTONE has established clear after-sale policy, we have a trained team
providing professional after-sale services for you and following up with
customers to ensure they are satisfied with the resolution. If you need a fter
-sale services, contact us by e-mail at [email protected]
The following conditions are not covered in the warranty.
1. Exceeding the warranty.
2. Damage caused by improper use, maintenance, and storage.
3. Damage caused by unauthorized repair.
4. Damage caused by force majeure.
E-Cigarette Usage
What should I do if the coil is burnt?
KEYSTONE has established clear after-sale policy, we have a trained team
providing professional after-sale services for you and following up with
customers to ensure they are satisfied with the resolution. If you need a fter
-sale services, contact us by e-mail at [email protected]
The following conditions are not covered in the warranty.
1. Exceeding the warranty.
2. Damage caused by improper use, maintenance, and storage.
3. Damage caused by unauthorized repair.
4. Damage caused by force majeure.
What should I do when the device won't charge?
KEYSTONE has established clear after-sale policy, we have a trained team
providing professional after-sale services for you and following up with
customers to ensure they are satisfied with the resolution. If you need a fter
-sale services, contact us by e-mail at [email protected]
The following conditions are not covered in the warranty.
1. Exceeding the warranty.
2. Damage caused by improper use, maintenance, and storage.
3. Damage caused by unauthorized repair.
4. Damage caused by force majeure.
What should I do if the flavor is very weak?
KEYSTONE has established clear after-sale policy, we have a trained team
providing professional after-sale services for you and following up with
customers to ensure they are satisfied with the resolution. If you need a fter
-sale services, contact us by e-mail at [email protected]
The following conditions are not covered in the warranty.
1. Exceeding the warranty.
2. Damage caused by improper use, maintenance, and storage.
3. Damage caused by unauthorized repair.
4. Damage caused by force majeure.
What should I do if the pod leaks?
KEYSTONE has established clear after-sale policy, we have a trained team
providing professional after-sale services for you and following up with
customers to ensure they are satisfied with the resolution. If you need a fter
-sale services, contact us by e-mail at [email protected]
The following conditions are not covered in the warranty.
1. Exceeding the warranty.
2. Damage caused by improper use, maintenance, and storage.
3. Damage caused by unauthorized repair.
4. Damage caused by force majeure.
Does KEYSTONE provide after-sale services?
KEYSTONE has established clear after-sale policy, we have a trained team
providing professional after-sale services for you and following up with
customers to ensure they are satisfied with the resolution. If you need a fter
-sale services, contact us by e-mail at [email protected]
The following conditions are not covered in the warranty.
1. Exceeding the warranty.
2. Damage caused by improper use, maintenance, and storage.
3. Damage caused by unauthorized repair.
4. Damage caused by force majeure.
