Manufacturer vs. Trading Company: Sourcing Stacked Stone for Better ROI & QC (2026 Guide)
Should you source stacked stone from a manufacturer or a trading company? This guide analyzes the critical differences in cost (5–15% premiums), quality control (ASTM compliance), and risk liability. We provide a detailed comparison of EXW vs. trading prices, vetting checklists (IQ-OQ-PQ), and ROI case studies to help B2B buyers make data-driven procurement decisions.






