Doi Phu Kha National Park park is named after "Chompoo Phu Kha" ( "Bretschneidera sinensis"), a tree with attractive pink flower bunches, which together with "Caryota gigas" and "Acer wilsonii", are rare species of plant which in Thailand can be found only in this park. There are natural rock formations on 1,837 m high Doi Phu Wae peak. The ascent takes 3 days and 2 nights. The scenery of the sea of mist and the mountain range is the reward for the trekkers who can reach Phu Wae peak. The park was established on June 17, 1999. Doi Phu Kha National Park is part of
Doi Kham additives. Their products do not contain preservatives or artificial flavors. Doi Kham Food Products is a private limited company. In recent years it has been profitable. In 2016, the firm had revenues of 1.82 billion baht. Projections for 2017 and 2018 are 2.07 billion baht and 2.4 billion baht. Doi Kham employs total of 200 persons including five engineers and five quality assurance staff. Doi Kham has processing plants in Fang District, Chiang Mai Province; Mae Chan District, Chiang Rai Province; and Tao Ngoi District, Sakon Nakhon Province. The company has 34 retail shops nationwide. Doi Kham The Doi Kham