Hangzhou Sunflower Tour Products Co., Ltd. Hangzhou Sunflower Tour Products Co., Ltd. is one of Chinese leading private-owned firms who has been specializing in manufacturing various awnings ever since its establishment in 1995. Professionally organized and managed, we are successfully exploiting the domestic and overseas market . Our products include window awning and retractable/adjustable patio-deck awning which are controlled either by motor or manually.