Shang Qi used to end letters. Qi has auspicious meaning. Wish businessmen (also refers to businessmen, businessmen, etc. ). Similarly, there are things like Shi Qi, Wen Qi and Jin Qi.
Extended data:
"Shun Ode" means praise by the way, and qi means good luck and peace. When writing a letter in classical Chinese decades ago, the greeting at the end of the letter was "Qi".
When the other person is at school, write about his study.
Commonly used are: time and summer (summer). When the other party is doing business, write Shang Qi. Is to greet each other with good luck in business. "Tang Qisong" literally means "I wish you a prosperous business by the way". Generally, it is only used as the conclusion of business letters, which is equivalent to "this salute" in daily letters.
References:
Baidu encyclopedia _ Shang Qi