1. The middle selection of stainless steel, coated with lead layer, anti-corrosion sea water.
2. Good selection of materials, high hardness and high density of iron plate, more suitable for long-distance casting.
1. The middle selection of stainless steel, coated with lead layer, anti-corrosion sea water.
2. Good selection of materials, high hardness and high density of iron plate, more suitable for long-distance casting.