Shenzhen Shanben Trading Co., Ltd. [1], abbreviated as Shanben, is an MRO industrial product comprehensive service provider [8], located on the 4th floor of Building 1, Aerospace Science and Industry Park, No. 8 Minhuan Road, Yousong Village, Longhua New District, Shenzhen [2]. It mainly engages in the sales of mechanical and electrical equipment, electronic products, instruments and meters, industrial equipment, as well as other domestic trade, import and export operations.