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In 2019, Dachang launched a significant reform of the zinc alloy upper and lower stop process, overt
Dachang introduced the salt spray testing machine.
Celebrating the 30th anniversary of the Zipper Branch of China National Hardware Association. The chairman of Dachang was awarded the "Honorary Title of Outstanding Craftsman in China's Zipper Industry".
Dachang - Metal Sheets for Toothbrush Hair Planting
Dachang Hair Planting Metal Sheets Passed the FDA Test