Qtsd is a brand name. According to relevant public information, the brand name of No.26 button zipper applied by Zhengzhou Fengguang Clothing Co., Ltd. in 20200 12 1 is, so qtsd is the brand name. Zhengzhou Fengguang Clothing Co., Ltd., with a registered capital of 6,543.8+0,000 yuan, is located at 4065.438+0, Building E 15, Jinrong Yitianxia Industrial Park, Quliang Town, xinmi city City, Henan Province. Its business scope covers the design, production and sales of clothing and clothing accessories.