优质碳钢 meaning in English

qualitative carbon steel
quality carbon steel

Note : the outline and table above is not suitable for breakers with current more than 63a nor high quality carbon steel material
注：上面外形及表不适用于断路器电流大于63a或者材质为优质碳钢的情况。
The main parts of the pump are generally made of grey cast iron and high - grade carbon steel , and can be used copper or stainless steel to meet the requirements of different medium
泵的主要材料为灰铸铁和优质碳钢，根据用户需要，可采用铜或不锈钢等材料进行制造。
Haiyang fangyuan casting co . , ltd is a professional enterprise which develops and manufactures castings pieces of high quality , which is applicable to construction machinery . engineering machinery and mineral machinery
方圆集团海阳方圆铸造有限公司是以开发生产优质碳钢、高性能合金钢、耐磨合金钢、抗磨白口铁、球墨铸铁等多种铸件的专业生产企业，产品广泛应用于建设机械、工程机械及矿山机械。
In addition to supply full line mold base and mould spare parts , our company also sells a wide range of high quality domestic and imported steel mold series : swedish special solid steel toolox 33 and toolox 44 , germany
除全线模架和模具配件供应外，我公司还销售各种优质国?进口模具钢材系列：瑞典特牢钢toolox33和toolox44德国groditz 2738上钢五厂718h b30m宝钢20mm500mm优质碳钢及大小钢锻件等。