What's the quality of Tianshide calendar wall clock?

All right. Tianshide calendar wall clock is made of ultra-thin aluminum alloy with light weight, durability, no deformation and good quality. Wall clock refers to the clock hanging on the wall, which was originally evolved from the bell tower clock. In16th century, a huge bell tower building appeared in Europe. Due to the manufacturing technology at that time, clocks and watches were usually very big.