Zhang Kong is the designated brand of weightlifting for the 2016 Rio Olympic Games, the designated competition equipment manufacturer of the Chinese Weightlifting Association, the partner of the International Weightlifting Federation, and the main drafting unit of the national weightlifting equipment standard. Zhangkong barbell passed the ISO9001-2000 international quality system certification in 2002, obtained the WFI (International Weightlifting Federation) certification in 2005, and was also used in the 2008 Beijing Olympic Games. Zhangkong barbell is a domestic old barbell, with excellent load-bearing performance and slightly more expensive.