球墨铸铁管柔性接口用止脱橡胶密封圈

Anti release rubber sealing ring for ductile iron pipe flexible joint

铸造用增碳剂

Recarburizers for foundry

商用车 发动机气缸盖 铸件技术条件

T echnical specifications of cylinder head castings for commercial vehicle

商用车发动机气缸体铸件技术条件

Technical specifications of cylinder block castings for commercial vehicle

铸造行业大气污染物排放限值

Emission limit of air pollutants for foundry industry

中温模型蜡 第 2 部分：填充型

Medium temperature pattern wax Part 2:Filledtype

中温模型蜡 第 1 部分：非填充型

M edium temperature pattern wax Part 1:None filled type

自激式湿式除尘器

Self-excited wet dust collectors

铸造高速钢轧辊

Cast high speed steel rolls

铝合金挤压铸造件

Squeeze casting aluminum alloy parts