Zhongshan Triangle Processing Center is located in Zhongshan City, Guangdong Province, 15 Fuze Road. China Postal Express & Logistics Pearl River Delta Region (Zhongshan) Mail Processing Center is a subordinate unit of Guangdong Province Postal Express & Logistics Company Limited and is one of the three regional centers of China Postal Express & Logistics. The center covers an area of 143 acres, with an overall construction scale of about 100,000 square meters, and a first phase construction of 10,200 square meters.