Correspondence dated August-November 1936, between Foodstuff Division and Shanghai office in connection with market prospects for buttermilk in China and Japan: 

• Letter dated August 19, 1936, from the Foodstuffs Division to Shanghai Office, on the subject of "Market in China for Semi-Solid Buttermilk", requesting to be furnished with a brief report on the market in China for sehmi-solid buttermilk, said to a product which has obtained some prominence in the United States as a foodstuff in poultry raising and other industries; showing particular interest in trade reactions to the possibility of supplementing present foodstuff requirements with emi-solid buttermilk, and the rate of duty under which it would be imported into China, and enclosing a copy of a letter and analysis submitted by an American firm intrested in this export trade) - 1p 
• Letter dated October 13, 1936 from Trade Commissioner in Shanghai, to Foodstuff Division, replying that aside from a very limited number of experimental farms there are no poultry or hog raising farms in China such as are common in the United States, and that consequently, there is no market for specialized feedstuffs such as semi-solid buttermilk, and that until there is considerable change in the farming methods of China, no demand for these products apt to develop, and adding that semi-solid buttermilk would probably be classified under item No.325 of the Custom Import Tariff (as Milk Food, including Dried Milk, Lactogen, Glazo, etc, 25% ad valorem) - 1p 
• Letter dated November 25, 1936, from Foddstuff Division and St Louis Office, on the subject of "Consolidated Products Company, Danville, Illinois", forwarding a report received from the Shanghai office in reply to their enquiry regarding market prospects for buttermilk in Taokyo and Shanghai - 1p