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UDN put team efforts to build up own environmental management system, was proved operate effectively and passed audit on July 2020, and the ISO14001 certificate. was received on August.

This certificate shows that UDN has established a sound environmental management system in the field of plastic tube research and development and production and has been proved to be effective. At the same time, it also expresses the importance that UDN committed to the environmental management and social responsibility.

Innovation Commitment Service Sustainability is and has always been UDN's core value. We will also keep working on it and continue to promote the sustainable operation of enterprises.