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According to the "Guiding Opinions on Accelerating the Formulation and Implementation of "Made in Zhejiang" Standards", the "Electric Hammer Drill Bit" standard drafted by Fangda Holdings Co., Ltd. was approved by the Zhejiang Brand Building Federation to become the "Pinzibiao" group standard , numbered T/ZZB 1961-2020, effective from December 1, 2020.