Hangzhou Yanggong Hardware Co.,Ltd was established in 1992 which locates in Yiao Town Xiaoshan District Hangzhou City Zhejiang Province .
Our company's total areas are 26000 sq.m.,meanwhile ,we have passed ISO9001 certification .
Our main products include Wood flat drill bits,auger bits,Adjustable hole cutter ,Bi-metal hole saw ,Diamond hole saw ,etc
With the strong technical power and advanced machinery and equipments,we can manufacture perfect products with different sizes.we own a full range ofconsummate inspection equipment and scientific managing system.