We are a cross-border e-commerce company with website and Amazon store.

Based in China, Jiangsu Liangxu Intelligence Science and Technology Co., Ltd. is a premier cross-border e-commerce operator with offices in Nanjing, Hefei, and Cleveland, USA. We operate self-managed warehouses across China and the US to streamline order fulfillment, with a new European hub opening in the Netherlands next year. Specializing in high-precision industrial and lab equipment—such as motorized ball valves, solenoid valves, analytical balances, and ultrasonic homogenizers—we serve customers in over 100 countries via our independent webstore and Amazon. As a recognized brand in our niche, U.S. Solid is now actively expanding our global distributor network.