In 2014, Chile walnuts are allowed to export to China for the first time, and in 2014, the walnut kernels are allowed to export to China in 2016. Moreover, due to zero tariff, Chile walnuts have vast market advantages in China.

Most importantly, the seasons in Chile are opposite to that in China. The harvest season of walnuts in China is from January to December, while walnuts in Chile are harvested in April when the Chinese walnuts are not mature yet. Chile walnuts can supply to the Chinese market as supplementation. China is the world largest walnut producing country, and meanwhile the world largest walnut importer --- China annually imports about 100,000t, even larger than annual output of walnuts in Chile (75,000t in 2016).