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Shenzhen Stock Exchange listed on GEM（stock code: 300848）

Shandong Province quasi-unicorn enterprise accreditation,
IATF16949 Certification

Shandong Enterprise Technology Center and Shandong Gazelle Demonstration Enterprise have been approved

Phase II project put into operation

Phase II project began construction

Listed on the New Board:
Approved by the national high-tech enterprises

The new factory in Yantai development Zone was completed and put into operation

Layout of new factory in Yantai development zone

Increase production capacity

REACH, ROHS and FDA Certification

TPU production capacity reached 1500T

Miracll establish