Final answer:
The provided context does not clearly state the company's box count requirements. It only describes the capacity and route of container ships. Without more information, we cannot determine the box count requirements for shipments.
Step-by-step explanation:
The information provided does not directly specify the company's box count requirements for shipments. However, based on the context provided, we can deduce that the company operates large container ships, likely involved in the logistics or shipping industry. The company's operations involve carrying 10,000 20-foot equivalent containers on a typical ship between Shanghai and Los Angeles. Given this information, it is impossible to determine with certainty whether the company requires a minimum, a maximum, a specific number, or has no box count requirements for shipments without further specifics. The question appears to be hypothetical or general, not referring to the data provided. In real-life scenarios, shipping companies' requirements for box count may vary based on the nature of cargo, the capacity of the ship, and other logistic considerations.