Sponge processing - Dongguan Packing Sponge - Sponge Factory Dongguan Dongguan source of plant source of sponge sponge processing using real environmental health quality materials, its manufacturing process is quite consistent with the focus on safety and environmental demands antibacterial. Dongguan Packing sponge Material: Can be customized according to customer requirements, general density density in 18-30 or so. Dongguan Packing sponge Color: sponge color according to customer requirements. Dongguan Packing sponge Size: customized according to customer's size. Some customers do not know what should be the size, we can also according to customer needs to make some suggestions. Dongguan source of foam cleaning sponge plant process has been improved, simple cleaning sponge weight to determine the density of longer desirable. Now craft sponge, high density, Shenzhen eva molding process than before weight much lighter sponge. High density foam is not simply to determine the weight density.