Barges loaded with steel rods and steel wire moored next to a depot.

Barges loaded with steel rods and steel wire moored next to a depot.

A man walks through a steel depot on the outskirts of Shanghai.

Workers stand near coils of steel wire at a depot on the outskirts of Shanghai.

Workers stand on steel rebars next to coils of steel wire at a depot on the outskirts of Shanghai.

Workers stand on steel rebars next to coils of steel wire at a depot on the outskirts of Shanghai.

Workers walk past coils of steel wire at a depot on the outskirts of Shanghai.

Workers stand on steel rebars next to coils of steel wire at a depot on the outskirts of Shanghai.

Piles of steel rods and steel wire sit in a depot and in barges moored beside it.

Piles of steel rods and steel wire sit in a depot and in barges moored beside it.

Workers walk past coils of steel wire at a depot on the outskirts of Shanghai.

Piles of steel rods and steel wire sit in a depot and in barges moored beside it.

Piles of steel rebars sit stacked at a depot on the outskirts of Shanghai.

Piles of steel rebars sit stacked at a depot on the outskirts of Shanghai.

A worker walks past piles of steel rebars at a depot on the outskirts of Shanghai.