S.F. Holding Co., Ltd., formerly Maanshan Dingtai Rare Earth & New Materials Co., Ltd., is a China-based company principally engaged in the provision of integrated express logistics services. The Company provides integrated logistics services, such as warehousing management, sales forecasting, big data analysis and settlement management. The Company's logistics products include various express services, such as business express, e-commerce express, warehousing and distribution and international express; heavy cargo transport services, such as general cargo transport and heavy cargo express transport, as well as cold chain logistics services for food and pharmaceutical industries. The Company also offers value-added services, including insured transport, payment collection and others. The Company operates its businesses in domestic and overseas markets.