Jour : 03/11/2026

I. Material Selection (Determines whether it will crack and stability)Material TypesPriority:Jinan Green, Zhangqiu Black (fine-grained, uniform, best stability)Acceptance Key Points (Must-read for procurement)No cracks, no laminations, no bla, no weathered layersUniform crystal grains, no obvious color bandsMust be solid material; splicing and patching prohibitedCritical NotePoor raw material → No matter how muct processing is done,…

I. Source Prevention: Selecting the Right Material and Using the Correct Process (Most Critical)Material SelectionPrioritize fine-grained granite with few cracks and layers, such as Jinan Green and Zhangqiu Black.Avoid materials with hidden cracks, color spots, layers, or water lines.Structural DesignLarge platforms must not be too thin; insufficient thickness makes them extremely prone to breaking.Corners, slots,…