The world's black tea originated in China. In the middle and late Ming Dynasty (about 1568 AD), the ancestors of the Jiang family of Zhengshantang founded black tea and created the source of the world's black tea. It was named Zhengshan Xiaochong and was recognized as the originator of black tea. It was later circulated in the world. Just now, black tea has crossed the ocean and became a world-wide famous tea. Due to the prosperity of black tea, it has gradually developed into an afternoon tea fashion that affects people's lives.

In 1997, Mr. Jiang Yuanxun, the 24th generation inheritor of Zhengshan Xiaozhong Black Tea, founded Yuanxun Tea Factory. In 2002, it was established on the basis of the Fujian Wuyishan National Nature Reserve Zhengshan Tea Co., Ltd., and later founded Zheng Shantang Tea Industry (Fujian Zhengshantang Tea Industry Co., Ltd.).

The company is located in Miaowan, Tongmu Village, a national key nature reserve in Xingcun Town, Wuyishan City, Fujian Province. It is the core area of ​​the world's cultural and natural heritage site and the birthplace of Zhengshan, the founder of the world's black tea.

The company obtained the US NOP organic certification in 1999, and in 2000, the EU (Germany) BCS organic food certification and the Japanese JAS organic product certification. It is an early enterprise in Fujian Province to obtain international organic tea certification. In 2002, the company's black tea products were awarded the National No. 23rd National Origin Mark Certification - Wuyishan Zhengshan Xiaozhong Black Tea, a geographical indication protection product of the People's Republic of China.

In 2012, the company participated in the drafting and formulation of the national black tea standards (part 3). In 2015, the company led the formulation of Jinjunmei industry standards (Jinjunmei Tea). In 2018, the company took the lead in drafting and formulating cross-provincial and national Junmei Black Tea Group Standards (Junmei Black Tea).

In 2005, under the suggestion of a friend, Mr. Jiang Yuanxun led a team to develop high-end black tea - Jin Junmei through innovative integration based on the black tea culture and production skills that had been passed down for more than 400 years. The founding of Jin Junmei fills the gap in the high-end black tea market, triggers a domestic black tea consumption boom, and promotes the development of the entire black tea industry. Today, Zhengshantang Tea Industry focuses on black tea as its core business, focusing on black tea, passed down through generations and has been implemented for more than 400 years, and has implemented an ecological industrial chain, and the monitoring of raw materials and production can be traced.

Since 2010, the company has used Zhengshantang as the brand endorsement to export innovative black tea production and processing technology - Junmei Technology, and selected the 13 major original high-quality tea production areas in the country (Xinyang, Henan, Shaoxing, Zhejiang, Guangyuan, Sichuan, Pu'an, Guizhou, Hunan. Guzhang, Hubei Badong, Shandong Zhucheng, Yunnan Fengqing, Anhui Huangshan, Fujian Wuyishan, Tibet Chayu, Hainan Baisha, Guangxi Longlin), created the Junmei China black tea industry system, promoted the standardization of Chinese black tea, and established the Chinese clear drink. Black tea model.