Doi Luang National Park Doi Luang National Park Doi Luang National Park () is one of the biggest national parks in Northern Thailand. It covers the Mae Suai, Phan and Wiang Pa Pao districts of Chiang Rai Province, Wang Nuea and Ngao of Lampang Province as well as Mae Chai and Mueang Phayao of Phayao Province. Doi Luang National Park is located in the northwesternmost mountain chains of the Phi Pan Nam Range and was established in 1990 by combining the area of four existing parks. 1,426 m high Doi Luang, a mountain located towards the northern end of the park in Mae Chai
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"