gold-washing grass mat with reinforce bottom

Specifications

with its special material ,you can use them for a long time ,and with its perfect performance , you can hunting more 20% gold

we have researched and developed many kind of gold-rush grass ,with stable and high quality ,reasonal price and strong functional .our quality can be compared with the imported grass. our products can be used every kind of gold  rushing .the bottom of the grass are lined with hard-wearing plastic .and the plastic is anticrorrosive .