Dalian Dongwu Precision Machinery Has Obtained A Patent For A Rotary Drive Device Used For Precision Machining, Which Makes It Easy To Adjust The Speed According To Actual Needs.
According to news from the financial industry on January 8, 2025, information from the State Intellectual Property Office shows that Dalian Dongwu Precision Machinery Co., Ltd. has obtained a patent titled "A rotary drive dev
