Just thought of sharing these info. I've submitted mine for a free replacement. Waiting for their reply.
Copy & paste from their website:
New Safe Springs for Bamboo APV Ready
Dear customers,
We are happy to inform you that the first batch of new safe springs for Bamboo APV are ready. All new springs have very small resistance and are safe to user. They won't cause the cap hot when you use Bamboo APV. All new safe springs are GOLDEN.
We resumed selling Bamboo APV(chrome/black chrome/Stainless) with new safe springs today. We will start to send new free springs to users who make request by ticket system from today. If you have defective springs or feel the cap hot when using Bamboo APV, please stop using the products and contact us by ticket system.
We are very sorry for the inconvenience.
If you have any questions or need any assistance, please feel free to let us know by using Help Desk and submiting a ticket.
We look forward to always being able to serve you better.
Health Cabin
Copy & paste from their website:
New Safe Springs for Bamboo APV Ready
Dear customers,
We are happy to inform you that the first batch of new safe springs for Bamboo APV are ready. All new springs have very small resistance and are safe to user. They won't cause the cap hot when you use Bamboo APV. All new safe springs are GOLDEN.
We resumed selling Bamboo APV(chrome/black chrome/Stainless) with new safe springs today. We will start to send new free springs to users who make request by ticket system from today. If you have defective springs or feel the cap hot when using Bamboo APV, please stop using the products and contact us by ticket system.
We are very sorry for the inconvenience.
If you have any questions or need any assistance, please feel free to let us know by using Help Desk and submiting a ticket.
We look forward to always being able to serve you better.
Health Cabin