What does it mean to wear a half-sleeve Tianxin seal?

Wearing half sleeves with Tianxin seal means wearing short-sleeved clothes with Tianxin seal. According to relevant public information, Tianjin Tianxinxi Culture Communication Co., Ltd., founded on 20 15, is located in Tianjin, and is an enterprise mainly providing business services. The work clothes of the employees of this enterprise are clothes printed with the words "Tianxin Seal".