Caina Corporation announced that its wholly-owned subsidiary, Anna Medical, recently received a patent certificate issued by the National Intellectual Property Office, which includes a needle holder feeding device for a needle assembly machine, a needle holder and needle assembly machine, and a needle feeding device for a needle assembly machine.
采纳股份：全资子公司近日收到国家知识产权局颁发的专利证书
Caina Corporation: A wholly-owned subsidiary recently received a patent certificate issued by the National Intellectual Property Office.
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