Each renewal of registration is valid for ten years. "
Renewal means that a registered trademark is valid for ten years. If it needs to be used again after the expiration, it shall apply for registration within six months before the expiration.
An extension means that if you fail to apply for renewal within the specified renewal period, you can give a grace period of six months, which is called an extension.
Renewal fee 1000 yuan. If you are an agent, you will probably need an agency fee from 800 yuan, and the total cost is about 1800 yuan.