Tien Chu
Tien Chu Ve-Tsin Chemical Limited (Chinese: 天厨味精; pinyin: Tiānchú Wèijīng), also transliterated as Tian Chu or Tianchu, is a Chinese manufacturer of honey by-products and food chemicals and additives including monosodium glutamate (MSG). == History == The company was founded in Shanghai in 1921 by Chinese chemist and industrialist Wu Yunchu.