China is making it harder for South Korean products to enter, in possible retaliation for Seoul's planned deployment of U.S.-provided missile defense.

As of September following Seoul's decision in July to house the THAAD, interceptors, China’s General Administration of Quality Supervision, Inspection and Quarantine had refused to allow 148 South Korean food and cosmetic products to clear customs.

That's up from 130 products last year, and accounts for six-point-five percent of China’s entire two-thousand-279 customs food and cosmetics rejections from January to September. 
 
South Korea was second only to Taiwan in terms of customs rejections. The U.S. came in third with 125.