Research and development support: We have a research and development team, can develop the market needs of products.
Technical consultation: We have technicians and optometry training instructors who can answer your questions. All of these resources are ready to deliver technical support to you.
Technical Support: Provide technical documentation and answer technical questions.
Quality Assurance: If there are any quality issues, we can provide feedback to resolve them.
Complaint Handling: Deal with complaints promptly to improve your satisfaction.
Latest News & Blog about Zhengyang