Puer Tea Glossary - Zhi Zheng Tea Shop

„Ku Cha; 苦茶 - Bitter Tea. The tea from a variety of tea tree (Camelia Sinensis Assamica var.Kucha) found in an area around Mensong.“

„In 1940, the Chinese State owned company CNNP started to manufacture Pu Erh Tea with a trademark "Zhong-Cha" at the Fo-Hai Tea Factory (now called "Meng-Hai Tea Factory"). Later, Yun-Nan Tea Company and Guang-Dong Tea Company also produced the same brand and started to export abroad. There were varieties such as red-label, green-label, yellow-label, small-letter and big-letter etc.“