Old Qingyun is the name that may represent the shop or brand that made this gold ring. Ren Tian may be the name representing the style or series of this gold ring. The red foot indicates that the gold ring is pure gold, indicating that the purity is relatively high.

The above is just speculation. If you want to know the information of this gold ring more accurately, you'd better consult a professional jewelry appraisal agency or the brand Laoqingyun.