Coptis root Herb raws Medical drug Herb

Stone column yellow water soil, water quality, unique climate, is the original huanglian production area.

North song geography general record "taiping world records" contained "nanbin county (shizhugu county name) abundant huanglian".

In the first year of xuantong in the qing dynasty (1909), "local records of stone column hall", "huanglian is the territory of the hall, producing several yellow water, shuanghe".

In 2003, the bank of China compiled "the medicine of sichuan province" notes: "wei lian, only family, production of stone pillars".

In 1954, "shizhu huanglian was listed as a national drug", which was purchased and sold under the state monopoly.

In 1958, sichuan provincial government approved the establishment of the country's first huanglian plantation and scientific and technological research institute in shizhu yellow water;

In 1989, at the national conference on authentic Chinese medicinal materials in taian, shandong province, "stone column coptis" was identified as authentic coptis by 176 experts.

In November 2001, the state ministry of science and technology designated it as "the demonstration planting base of Chinese quality medicinal materials (coptis chinensis)".

In December 2003, it was identified as "chongqing famous brand agricultural product" by chongqing famous brand agricultural product identification commission;

On December 23, 2003, "protection of the origin of Stonehenge coptis" has been approved by experts. The general administration of quality supervision, inspection and quarantine issued notice no. 144 on October 10, 2004.

The Stonehenge copper-gap certification was approved by experts of the GAP certification center of the state food and drug administration from 23 to 25 August 2004.

In shizhu county, there are 16 towns and villages, 30 thousand farmers and 100 thousand farmers. At present, the annual land area of huanglian is more than 50 thousand mu, with an annual output of 1200 tons, accounting for more than 60% of the national output.

The company enjoys high quality and high reputation both at home and abroad. It is exported to more than ten countries and regions such as Korea, Korea, Vietnam, India, Singapore, Hong Kong and macau.