4PX

4PX (递四方物流) is a Chinese logistics company operating in the cross-border e-commerce and digital freight space, with Heart Capital (心资本) and its founding partner 刘艳晨 among its backers . 刘艳晨, who has spent over sixteen years focused on new transportation, digital logistics, and overseas technology, counts 4PX alongside portfolio companies such as RoboSense (02498.HK), Air China Cargo (001391), Huanshi Logistics, and Best Inc. (Best.US) . The firm sits within a broader investment thesis on global supply-chain infrastructure and tech-enabled shipping. elsewhere's corpus does not cover 4PX's founding date, scale, or operational details directly.