Why is it called China-Myanmar Boundary Monument No. 41?

It is a border sign. China-Myanmar Boundary Monument No. 41 is the No. 41 boundary monument on the China-Myanmar border in the Henan section of the China-Myanmar border. It is located in Tengchong County, Ruili City, Yunnan Province, China. It is one of the symbols of the border between China and Myanmar and an important landmark on the China-Myanmar border. landmark. The total length of the China-Myanmar border is nearly 2,000 kilometers, starting from the northwest, passing through the Burma Highway, Ruili, Mangshi, Ruili Valley, and reaching the northeast of Myanmar.