Address: Rm1217, Hualing Landiao International Building, No.580, 3rd Section of Mid Furong Road, Changsha hunan China Phone: 0086-731-89784883 Found in 2001, TOPLAND TECHNOLOGIES Co., Ltd is an industry leader in the open market distribution of integrated circuits, semiconductors(active components), as well as less passive components such as capacitors, resistors and inductors.