Tongcheng Hongyun MasterBatch Industry And Trade Have Obtained A Patent For Protective Equipment For Plastic Processing To Solve The Problem Of Plastic Processing Equipment And Cause Damage To Operators
According to news from the financial industry on January 24, 2025, information from the State Intellectual Property Office shows that Tongcheng Hongyun Masterbatch Industry and Trade Co., Ltd. has obtained a patent called "A protective d
