Ton Van limited liability button company, the predecessor of Ton Van shell button small workshop, was set up in 1997. Since then, with its main products, shell buttons, which are made from oyster shells, snail shells, the company has unceasingly asserted its prestige and position to some “Hard-to-please” markets such as Hong Kong, Japan, Europe,… and has always been considered one of the leading shell button-makers in the world.