high-grade fine steel 高级优质钢
high-grade fine carbon steel 高级优质碳素钢
ultra fine-grade steel 低合金高强度钢
fine steel grade 优质钢种
Specializing in high-grade copper floor drain, floor drain fine stainless steel, zinc alloy floor drain, basin water control, triangle valve production and sales.
专业从事高档铜地漏、精品不锈钢地漏、锌合金地漏、面盆下水器、三角阀系列产品生产与销售。
The grain size of steel is grade of 8 and it attributes to fine grain steel. The grain size and grain uniformity are greatly improved as well.
晶粒度达到8级，属于细晶粒钢，其晶粒度和晶粒均匀性都大大提高。
In order to meet the growing wealth of heating radiators market, the company has also developed steel radiator and fine sand without high-grade cast iron decoration cast iron radiators and radiator.
为适应日益丰富的采暖散热器市场，公司还开发了钢制散热器及无砂精品铸铁散热器和高档装潢铸铁散热器。
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