Laizhou City Laiyu Chemical CO.,Ltd was founded in 1984, it is a leading manufacturer of magnesium salts, sodium percarbonate, bismaleimide and cutting machinery in China.Our company is very good at quality control and has passed ISO 9001:2000 certificate in 2003, Most of the products are exported to many countries such as Japan, Korea, Australia, Canada, European countries. We are enjoying a high reputation all over the world.