BYD Abandons Dilian IOU System


China’s EV giant BYD is returning to traditional banknotes and commercial paper for supplier payments.


The move follows opposition from suppliers, stricter government regulations, and declining sales.


The Dilian IOU system had been a key part of BYD’s business model, boosting cash flow at the expense of suppliers..


Supplier Concerns


Dilian, launched in 2018, was an electronic IOU platform issuing digital vouchers instead of direct payments.


Vouchers were not government-regulated, creating high default risk.


Suppliers seeking immediate cash had to discount vouchers at banks up to 6%, versus <2% for banknotes.


Payment delays of 6–12 months worsened suppliers’ cash flow.

Benefits to BYD


Extremely low working capital costs.


Large cash reserves on hand at all times.


Increased leverage over suppliers to negotiate lower prices.


Enabled rapid vehicle launches and positioned BYD as a global cost leader.


Market and Regulatory Pressure


Intense price wars in china have squeezed suppliers’ margins.


New government regulations:


Payment within 60 days mandatory.


Electronic IOUs restricted.


Supply chain financing monitored more strictly.


These changes make continuing the Dilian system difficult.


BYD’s Financial Pressures


Sales fell 12% in October; domestic market share dropped from 19.1% to 13.2%.


Quarterly revenue fell 3%, profits down by one-third—the largest drop in five years.


Independent research claims BYD’s actual net debt is 323 billion yuan, far above the reported 27.7 billion.


Dilian vouchers circulated outside BYD’s supply chain, sometimes being reused multiple times.


Average payment period to suppliers: 127 days, above industry norms of 90–108 days; some Dilian notes deferred up to one year.


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