Doi Tung Doi Tung Doi Tung (ดอยตุง) is a mountain in the Thai highlands of Chiang Rai Province, Thailand. While not the highest elevation of the province, the 1,389 m high Doi Tung rises steeply close to the Thailand-Myanmar border. It is the highest point of the Doi Nang Non, a subrange of the Daen Lao Range, in the area known as "Golden Triangle". Most of the bedrock of the mountain is limestone and granite. The vegetation below 1,000 m is mostly deciduous forest, and the vegetation above this height is evergreen. The population of Doi Tung is about 11,000 people, consisting
Doi (retailer) Doi (retailer) Its roots go back to Doi Shōten (), also referred to as Doi Shōkai (). This was a Japanese retailer, distributor, or both, that started in 1949. ("Doi" here is a surname, "shōten" means "retailer", and "shōkai" means "trading company".) In the early fifties it was based in Osaka. Kimio Doi (, "Doi Kimio"), son of the Mr. Doi of Doi Shōten, started a branch in Fukuoka at some time around 1956. In 1959 this became plain Doi (, "Kabushiki Kaisha Doi"). Doi provided diverse services, such as professional darkroom work. Retail stores were branded "Camera no Doi"