
Come controllare i produttori di pietre impilate: una guida all'approvvigionamento in Cina
This procurement blueprint establishes a rigorous framework for vetting stacked stone manufacturers in China’s premier slate hub, Hebei (Yixian). We analyze the 13%-26% margin gap between direct quarry sources and regional traders, emphasizing the critical importance of direct quarry integration for price stability and batch color consistency. The article outlines essential technical benchmarks, including ASTM C170 compliance and the 17.5-ton US-port weight optimization protocol to ensure road-legal North American distribution. By implementing a 3-stage quality workflow and pre-shipment visual verification, B2B wholesalers can secure a resilient supply chain with reliable 20-day lead times.







