Gansu Constar Reinforces Global Trust with EU CE and ISO 13485 Certified Contact Lens Production
BAIYIN, GANSU, CHINA, July 6, 2026 /EINPresswire.com/ -- Gansu Constar Technology Group (Constar), one of China’s leading contact lens manufacturers, is strengthening its position as a trusted global partner by highlighting its robust EU CE (0197 …