Roundss Team Activity
Each department leader attend the training and transmit the information to the staff in all departmentRead More
Roundss Culture Life
Changchun Rongde Optics Co.,Ltd organizes one time of group tour in the middle of each year around August. Roundss employee and their family could take the travel togetherRead More
Network, Support, Delivery and Warranty
Through our overseas distributor accorss the globe and e-commerce platform, our agents and technical support specialists are ready to answer your questions and help you get the information you needRead More
Please feel free to give your inquiry in the form below. We will reply you in 24 hours.