1.We have different styles of nut, 2.You can choose colour, materials, size, apperance for nut you need. 1.We can manufacture different kinds of insert nuts, in good quality and best price. 2.We can produce the insert nuts in steel,iron,zinc alloy and so on,the material depends on you.And any color you need,we can also supply. 3.We have the ability to supplying the insert in a large quantity, so ...