Zhanjiang Guolian Aquatic Products Co. Ltd., the largest processor of Vannamei (white-leg) shrimp in China, with 20K tons produced per year. 1/3 of their production is for domestic use, and 2/3 is for export to the US (biggest), Europe, Russia, and S. America. Half of their shrimp is farm-raised in China, and the rest is imported frozen from Viet Nam, India, Thailand, and Ecuador. They are seeing domestic and S. American sales expanding.
Here the shrimp are being shelled and having their central (black) vein removed.