Congratulation!!! YUNG YUAN CHEMICAL MATERIALS CORP. get the First Green Recycled Product Certificate of Copper Oxide by Ministry of Economic Affairs.

賀!永源化工原料股份有公司，取得經濟部核發之國內第一張氧化銅綠色產品證書。Congratulation!!! YUNG YUAN CHEMICAL MATERIALS CORP. get the First Green Recycled Product Certificate of Copper Oxide by Ministry of Economic Affairs.
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