Established in 1975, Nanjing Zongheng Bio-Science and Technology Co., Ltd. (the other name is Lishui County Guanshan Fine Chemical Co., Ltd which name produces the goods only sold in China) is located in Guanshan Industrial Park in Jingqiao Town, neighboring to Zhonghuamen of Nanjing City. We have fixed assets of CNY38 million and 180 employees, 28 of whom graduated from junior colleges or technical secondary schools, 26 of whom have junior professional titles and 2 of whom have medium/senior professional titles. At present, our company is specialized in the production of edible sodium benzoate and industrial benzoic acid, with the yearly production capacity of over 40,000T. Our "NP" brand products are sold to over ten provinces and cities in our country and even exported to other countries in Southeast Asia, the EU and the USA. They are well received and highly appraised by customers from all over the world. Now, we are the biggest benzoic acid manufacturer in China and third biggest manufacturer in China for sodium benzoate.

In October, 2002, our company received the ISO9001:2000 quality management system certification. In 2004 and 2005, our high pure sodium benzoate was approved as "Hi-Tech Product" of Nanjing City and Jiangsu Province, and our company was approved as the "Hi-Tech Enterprise" of Nanjing City and Jiangsu Province too. Our benzoic acid and sodium benzoate was evaluated as the "Famous Brand Product" of Nanjing City, our brand "NP" was approved as the "Famous Brand" of our county, and our company was titled as "AAA Credit Company" and "Reliable Company" in 2005. In 2006, we got the certificate of STAR-K and were registered as the "Export Food Manufacturer" in 2007. Now, we are honored as "national honest and law-obeying township enterprise of China".