Beijing Wuyutai Tea Company, trademark: Wuyutai;
Beijing yuanchanghou tea company, trademark: yuanchanghou;
Beijing Zhang Yiyuan Tea Co., Ltd., trademark: Zhang Yiyuan;
Beijing Tea Company, trademark: TP;
Shanghai Huangshan Tea Co., Ltd., trademark: Xu You;
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 Deyu Huo Cha Co., Ltd., trademark: Deyu Huo Cha;
Fengshan Tea Industry Development Co., Ltd., Fengshun County, Guangdong Province, trademark: Longxing;
Guangdong dapu county Xiyan Tea Group Co., Ltd., trademark: Zhu Xi;
Ju Long Yuan Tea Co., Ltd. in Qichun County, Hubei Province: trademark: Ju Long Yuan;
Hunan Anhua Tea Company, trademark: Wulong Peak;
Hunan Anhua Tea Fruit Company, trademark: Liu;
Henan Xinyang Wenxin Tea Industry Co., Ltd., trademark: Wenxin;
Henan Xinlin Tea Co., Ltd., trademark: Xinlin Yulu;
Xinyang Tea Experimental Station, Henan Province, trademark: Zhen Leichun;
Henan Xinyang Aosheng Tea Co., Ltd., trademark: Aosheng;
Henan Xinyang Wuyunshan Tea (Group) Co., Ltd., trademark: Wuyunshan;
Henan Xinyang Natural Health Tea Factory, trademark: Long Xuan;
Tea General Factory in Shihe District, Xinyang City, Henan Province, trademark: Shihe;
Wang Mantian Tea Farm in Shexian County, Huangshan City, Anhui Province, with trademark: Wang Mantian.