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Wanglong Group Co., Ltd is a National hi-tech enterprise specializing in the production of food preservatives,having been certified to ISO9001:2000 .It is biggest producer for Sorbic Acid and Potassium Sorbate in the world with annual facility of 18000MT sorbic acid and 12000MT potassium sorbate.

Sorbic acid and potassium Sorbate are widely used food additives with high efficiancy and they are approved and recommended by FAO and WHO, and they are national "Key Task" in the 8th 5-year-plan and one of the "Post Important Project" in the 9th and 10th 5-year-plan.in 1994 the products that Wanglong produced was awarded as "national level key new products". The technology for Sorbic Acid production was exported to Korea in 1996 with the permission of related authorities from Central government.

The products are widely used in food and pharmaceutical industry, rubber, paper, feed, paint, cosmetics and tobacco industry. The products conforms to national standard and FCCIV and are exported to over 30 countries as Europe and U.S.