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China (mainland) Ningbo Billi Sealing Technology Co. Ltd has released a mechanical seal made of tungsten carbide. The corrosion-resistant product comes in cobalt- and nickel-bonded versions. It has a compression strength of 4,100 to 4,300MPa and an elastic modulus ranging from 560 to 5,803GPa. The specific heat capacity is 200J/kg. Specifications on the size and material thickness are accepted. Shrink-wrap and a box are used for packaging. Price, minimum order requirement and payment terms are provided on inquiry. Delivery is in 20 to 40 days. Ningbo Billi has received ISO 9001:2000 certification. It specializes in mechanical seals. The company’s main export markets are the US, Canada and Mexico.
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