100020。 Beijing Wantong Center is located at No.6 Chaowai Street, Chaoyang District. The postal code of Beijing is 100020, so the right side of Wantong Center is 10020. The inherent location advantage of Wantong Center, together with the carefully combined three elements of "independence", "purity" and "quality", meets the strong demand of high-end enterprise identity, logo and symbol. Let enterprises not only enjoy high-quality physical function, but also achieve the greatest spiritual satisfaction.