You can join the official Gosun Precision-Cosen account in Line and Messenger.

If you have any questions about our products, please click on the Intelligent Customer Service button and we will be able to answer your questions in a timely manner.

If you are satisfied with the service, please fill out a 5-star rating for us.

When you have further questions, you can click on the dedicated customer service to reply for you.

You can ask questions in the Q&A section, and canned messages will be answered for you automatically.