Home About Us Spirulina GD-1 Products Research Benefit FAQ How to order Contact Us



The only spirulina farm in Chiangmai and no entrance fee. We are invited you to visit our beautiful farm.

§ Ź

Boonsom farm

Boonsom farm is encircled with the high mountain in Chiang Mai Province, which has temperature around 30C in average, and full of fresh air, the environment is suitable for Spirulina Plantensis culture (around 25?C - 35?C).

In addition, the water for culture process is taken from hygienic resource.
All processes, comprising culture, harvest by filtering from water, dry bake in temperature 70?C and grind to make a tablet or fill in a capsule are operated in standard.

The value of nutrients is regularly analyzed and hard substances are also regularly checked under the inspection of Food and Drug Administration.

Since 1992, Green Diamond Co.,Ltd has been permitted to produce and sell GD-1 Spirulina Plantensis that is regarded as quality seaweed and standard transformed products. GD-1 Spirulina Plantensis won the Best Product Award from Thai Social Foundation in 1995.



Green Diamond Co.,Ltd.

Boonsom's farm (Factory)
86-87 Moo 6 Tambon Tungpee Amphur Maewang, Chiangmai Tel: 053-363602

Chiangmai City Branch
Vienkaew Road Tel: 053-223935, 053-416242-3

Sikiuw Branch Tel: 044-249734

Sales & Marketing Office
51/2 Moo. 9 Pibulsongkhram Rd., Suan Yai,
Muang district,Nonburi Province Thailand
Tel. +66-2966-5556
Fax. +66-2526-4035

In the same year, Green Diamond Co.,Ltd was also invited and supported from the government of Netherlands to exhibit and sell the products in the PROSANITA FAIR at Stuttgart, Germany. Nowadays, GD-1 Spirulina Plantensis has been exported to many countries worldwide such as Japan, Germany, U.A.E., Singapore, Taiwan etc.
All of the success can well prove the accepted quality from all over the world.
Green Diamond Co.,Ltd. We are manufacturer and exporter of spirulina, / contact us here