Gelonghui June 20 丨Honghui New Materials (002802.SZ) announced that the company recently received two patent certificates issued by the State Intellectual Property Office, namely a high-impact CPVC injection-molded pipe fitting and its preparation method, and a sofa cloth with a waterproof flame retardant coating.
洪汇新材(002802.SZ)：近日收到2项专利证书
Honghui New Materials (002802.SZ): Received 2 patent certificates recently
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