Atraverda Ltd - The Abertillery-based company has developed a lighter ceramic material to replace the traditional heavier lead components in lead acid batteries making them lighter and greener.

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Multiple rods are grouped within another metal jacket which is then drawn and baked to convert the raw material to the ceramic form and the rod into a wire.

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Carbo Ceramics is a leader in making what's called ceramic proppant, which is the synthetic material, sand-based often, with chemicals that are injected into the fractured rock to hold open the cavities so the natural gas goes up into the piping that captures it.

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Rounding out the top 10 where: Hangzhou Everfine Photo, a supplier of testing equipment, Shanghai CSG Smart Science, a supplier of power distribution products, Shandong Sinocera Function Material, a maker of ceramic powder for the electronics industry, Beijing Orient National Communication, a software maker, Jiangsu Yunyi, an auto parts maker, Boomsense, a supplier of repeaters, and Staidson Beijing Biopharmaceuticals, a chemicals products maker.

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ClearOhm material is based on metal nano-wires, not a ceramic like ITO.

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No one, he says, makes ceramic tiles as good as those available from Italy, while clay bricks, the favored wall material in his home market of Western Australia, would be on the Buckeridge list but for a bitter war of words with the socialist-leaning state government.

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