Sanguan Wongse Industries Co., Ltd. (SWI), established in 1947, started from producing tapioca chips and changed to producing tapioca starch later. SWI run tapioca starch business with good governance by continuing invest in human resources and modern machinery from domestic and abroad. The company had growth from 30 mt. of tapioca starch in 1974 to 400 mt. in 1989 and 1000 mt. in 2008
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As a strong commitment to serve a high quality product and service, SWI group is certified from many international standard certificates as follow:


- ISO 9001:2015

- ISO 14001:2015

- ISO 22000:2018

- BRC Global Standard for FOOD SAFETY Issue 8:August 2018

- HALAL certification

- KOSHER certification

- Green Industry Certification from Ministry of Industry

- Carbon Footprint Certificate