Guangzhou Baiyun Sanyuanli Airport Road. Guangzhou acorn slimming products bulk order was established on July 24th, 2020, mainly engaged in bulk order sales of acorn slimming products, registered at Sanyuanli Airport Road, Baiyun District, Guangzhou. Acorn: containing starch, edible and bitter. Also known as acorns, acorns and chestnuts. Oak. The fruit of oak tree is rectangular, containing starch and a small amount of tannic acid, and its shell can be made into tannin extract.