Custom engineering machinery parts carbon steel casting

Custom Carbon Steel Casting engineering Machinery Parts "Technical Conditions for Investment Casting Carbon Steel Parts" (JB/T 5100-1991), the machinery industry standard is a commonly used standard in China's domestic investment casting industry. With the expansion of China's foreign exchange business and the entry of a large number of casting companies outside China, the differences between the "Technical Conditions for Investment Casting Carbon Steel Parts" (JB/T 5100-1991)...

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