Quartet is a multinational logistics and warehousing services based on global e-commerce supply chain solutions provider. Quartet of people with more than 20 years of industry experience, has always focused on multinational logistics solutions development, create more than 30 kinds of logistics products, a wide range of services, diverse product range, and the system convenient, flexible operation known.

Quartet has 40 service outlets in China, five overseas subsidiaries, more than two cities in the country for the majority of foreign trade electricity suppliers provide home delivery services. Quartet therefore a unique business model and the high-speed growth, won three pen ten million in venture capital, and access to, such as Forbes " China Potential Enterprises " award, APEC SME Summit, " China 's most cutting-edge enterprise growth Award "honor.

March 2006, 4PX proposed a " courier resource integration expert" role in this localization industry, emphasizing the 4PX world by integrating high-quality regional express courier network of global resources to build a unique business model. 4PX through constant innovation, and strive to build a more advanced technology, the operation more efficient and cost more reasonable, more attentive service international courier public platform. 4PX at any time, the platform will remain "neutral " and " public" is to make this platform has a broader and universal compatibility, it is indispensable to maintain the vitality of the platform elements are always the same 4PX basic principles. 2008, 4PX began to cross-border e-commerce transactions (CBT) to provide integrated cross-border e-commerce, logistics, warehousing and order fulfillment services. 4PX in the coming years to continue to develop the field of e-commerce around the various forms of transnational logistics products and specialty services, the increase in global coverage of the network, improve 4PX product market share, provide other value-added services e-commerce value chain, in continuously improve the timeliness and reliability of service while reducing service and reasonable costs, improve market competitiveness, strengthen 4PX brand building and publicity, so 4PX become ubiquitous, customers preferred logistics service quality and value for money brand.