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...building block bricks foam building blocks for kids EPP Toys EPP (Expanded polypropylene) is an engineered plastic foam material. By combining polypropylene resin with magic dust, and applying heat, pressure, and CO2 in an autoclave, the material is formed into small plastic beads. These small, closed-cell foam beads are injected into a steam...
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...Building Structural Tube Sawh Carbon Steel Tube Ssaw Steel Pipe Piling Pipe Bridge Building Structural Tube is mainly used in water engineering, petrochemical industry, chemical industry, power industry, agricultural irrigation, urban construction, is one of 20 key products of our country's development. For liquid transportation, water supply and drainage.For gas, gas, steam...
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