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.
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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.