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Carbon Steel Welding Neck Flange
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Dental Chair K-502 Ceramic Trolley
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Silicon Metal 97
  • Silicon Metal 97
  • ​Metal silicon is made from quartz and coke in electric heating furnace smelting products. The main ingredient of silicon content is about 98%. The rest of impurities is iron, aluminum and calcium etc. it's the major raw materials of aluminum alloy ingots
  • Anyang Zhongxing Refractory Co., Ltd  [Verified]
Negotiable
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China Trademark Filing Requirement
  • China Trademark Filing Requirement
  • There are three types of patent in China, including patent for invention, patent for utility model and patent for design. What is the patent duration, time for approval, and filing document? Read this article for details.
  • China Legal Express  [Verified]
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