Lao Jo or Lao Jow street is the one of shopping street in chiang mai located near Royal or Kad Luang marker beside Ping river. This street has another name call China Town. There're lot's of Chinese people around here. This street has lot's of local fabric, cloths, and other gadgets for local and traveller.
you can see by this video about it's atmosphere. This is another place if you wonder to shopping local things like local people.
more information:
http://www.chiangmai-mail.com/122 Lao Jow Street is renowned as the ancient Chinese-Thai quarter in Chiang Mai, sometimes called the Chiang Mai Chinatown and, naturally, that is where the celebration for Chinese New Year took place, with the old year being chased away and the new year welcomed in.