DDSD

mermaid
graph TD
    subgraph Reinforcing Loop (R1): Demand-Driven Production Growth
        A[Customer Demand] -->|Increases| B{Production Planning};
        B -->|Increases| C[Raw Material Consumption];
        C -->|Decreases| D[Raw Material Inventory];
        D -->|Decreases| E[Raw Material Order Need];
        E -->|Increases| F[Order to Supplier];
        F -->|Increases| G[Raw Material Inflow];
        G -->|Increases| D;
        D -->|Increases| H{Final Product Production};
        H -->|Increases| I[Final Product Inventory];
        I -->|Decreases| A; %% Demand adjusts based on product availability
    end

    subgraph Balancing Loop (B1): Supply Delay Effect
        F --> "Supply Delay" J[Supplier Lead Time];
        J -->|Increases| D; %% High delay increases inventory later (negative impact on availability)
    end

    subgraph Balancing Loop (B2): Quality Impact on Production
        K[Raw Material Quality] -->|Decreases| H; %% Low quality slows down production
        K -->|Increases| L[Raw Material Waste];
        L -->|Increases| C; %% More waste increases consumption
        K -->|Decreases| F; %% Low quality might lead to supplier change or more orders
    end

    subgraph Reinforcing Loop (R2): Cost Increase due to Fluctuations
        M[Raw Material Price Fluctuation] -->|Increases| N[Raw Material Purchase Cost];
        N -->|Increases| O[Production Cost];
        O -->|Increases| P[Product Cost Price];
        P -->|Increases| Q[Decreased Competitiveness];
        Q -->|Decreases| A; %% Decreased competitiveness leads to reduced demand
    end

    subgraph Balancing Loop (B3): Inventory Adjustment by Warehouse Capacity
        D -->|Increases| R[Warehouse Capacity Fullness];
        R -->|Increases| E; %% Full warehouse might reduce order need
    end

    F --"Supplier Relationship"--> S[Supplier Relationship];
    S -->|Improves| J; %% Good relationship reduces lead time
    S -->|Improves| K; %% Good relationship improves quality