About us


About Quality 

Product quality is of the essence to the existence and growth of CDGM. Over the 50 years, we have made ourselves strong enough to meet the challenge of the markets home and broad by improving internal quality management system, optimizing product structure, and expanding investment in high-tech products development. The result is the overall improvement in our company performance and management. To date, our brand name ICEBERG is drawing more and more attention and appeal form customers over the world.

Each of CDGM employees has devoted himself or herself to seek for the success of the company and the satisfaction of customers. They have made persistent efforts in improving QMS (quality management system) and production-and-service process to live up to the requirements of the constantly-changing markets in optoelectronic information industry.

Quality assurance  

CDGM takes its personal responsibility to achieve the world-round customers’ satisfaction by pursuing the following 5-year goals:

● effective running of Quality Management System

● continuous reduction of quality loss

● extension of QMS to suppliers

● improving supply capability to world-class enterprises

● fulfill requirement of customers for environment-friendly optical glass

● Increasing Customer Satisfaction up to 92%