China holds big promise to become a top customer for Alaska salmon, and not just for the bright red fillets.

Since 2011 China has been the number one customer for Alaska seafood with purchases nearing $800 million and comprising 54 percent of all Alaska exports to China.

In Chinese food culture, fish symbolizes abundance and prosperity, which plays into a growing middle class that now earns the equivalent of about $25,000 in U.S. dollars a year. That gives buyers significant disposable income to spend on more high-end foods, such as salmon. Add in increasing

public concerns about food safety a...