China Tea Co., Ltd., trademark: China Tea;

Beijing Wu Yutai Tea Company, trademark: Wu Yutai;

Beijing Yuan Changhou Tea Company, Trademark: Yuan Changhou;

Beijing Zhang Yiyuan Tea Co., Ltd., trademark: Zhang Yiyuan;

Beijing Tea Corporation, trademark: TP;

Shanghai Huangshan Tea Co., Ltd., trademark: Xuyou;

Jiangsu Xuzhou Laotongchang Tea Co., Ltd., trademark: Laotongchang;

Jiangsu Suzhou Yuluchun Tea Co., Ltd., trademark : Yuluchun;

Jiangsu Suzhou Chunlei Tea House Co., Ltd., trademark: Wang Ruiyu;

In addition, the tea brands I know are:

Jiangxi Jingdezhen Deyuhuo Tea Co., Ltd., trademark: Deyuhuo Tea;

Guangdong Fengshun County Fengshan Tea Development Co., Ltd., trademark: Longxing;

Dabu, Guangdong County Xiyan Tea Group Co., Ltd., trademark: Xizhu;

Hubei Qichun County Julongyuan Tea Co., Ltd.: trademark: Julongyuan;

Hunan Anhua County Tea Company, trademark: Wulongfeng;

Hunan Anhua County Tea Fruit Company, trademark: Liuyeqing;

Henan Xinyang Wenxin Tea Co., Ltd., trademark: Wenxin;

Henan Xinlin Tea Co., Ltd., trademark: Xinlin Yulu;

Henan Xinyang Tea Experiment Station, trademark: Zhenleichun;

Henan Xinyangao Sheng Tea Co., Ltd., trademark: Aosheng;

Henan Xinyang Wuyun Tea (Group) Co., Ltd., trademark: Wuyunshan;

Henan Xinyang Natural Health Tea Factory, trademark ：Xuanlong;

Henan Xinyang City Shihe District Tea Factory, trademark: Shihe;

Anhui Huangshan City Shexian Wang Mantian Tea Farm, trademark: Wang Mantian.