Guangzhou Huada Darui Optical Equipment City. According to Baidu map, the address of Guangzhou Huada Darui Glasses Equipment City is located at Room 328, Building 5,No. East Ring Street 128, Panyu District, Guangzhou. This is a large-scale wholesale market for optical equipment in Guangzhou, and there are also many candle raw materials stores, such as Xiangxiang and Manyuan incense wax.