Shandong Kunda Biotechnology Company Ltd, established in 2009, is located in the Yishui County Economic Development Zone of Linyi City, Shandong Province. It is a supplier of fine chemicals, feed additives, and food additives. Its main products include ethylamine, crotonaldehyde, sorbic acid (potassium sorbate), pyridine, 3-methylpyridine, 3-cyanopyridine, nicotinamide, monoethylamine, and diethylamine.

Shandong Kunda Biotechnology Company Ltd has established a production capacity of 60,000 tons of ethylamine, 30,000 tons of potassium sorbate, 20,000 tons of crotonaldehyde, and 30,000 tons of pyridine compounds annually. It has also built a combined heat and power generation project utilizing biogas waste heat, wastewater and exhaust gas treatment facilities, and other auxiliary engineering facilities, covering a total area of 300,000 square meters.