On June 24, Gelonhui reported that Dongguan Golden Sun Abrasives (300606.SZ) has recently received two invention patent certificates issued by the National Intellectual Property Office. The patent names are for the preparation process and application of a high-strength stacked abrasive sand cloth, and a preparation method for a high-temperature-resistant sand cloth coating for metal polishing.
金太阳(300606.SZ)：收到2项发明专利证书
Dongguan Golden Sun Abrasives (300606.SZ): Received two invention patent certificates.
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