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+86 150 5221 8226
+86 150 5221 8226

HDCMFG

رخصة تصدير منتجات الصلب الصينية

الجمارك الصينية

Staying informed about the evolving regulatory landscape is key to successful global sourcing. A significant update is approaching: starting January 2026, certain raw steel materials from China will require an export license. However, it is important to distinguish between raw steel commodities and high-precision, custom-fabricated metal products. In this update, we analyze the new MOFCOM

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ASTM A48

جسم صمام مصبوب معدني

If you’ve ever sourced “cast iron” parts and later realized the supplier delivered something that machines differently, performs differently, or doesn’t match your expectations, it usually comes down to one thing: the spec wasn’t clear enough. ASTM A48 exists to remove that ambiguity. It’s one of the most common standards used in Western markets for gray

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حديد عقدي

بنية حبيبات الحديد العقدية

“Nodular iron” is one of those materials that shows up everywhere—automotive parts, pumps and valves, heavy equipment, and even pressure pipe—yet many buyers still treat it like “just another cast iron.” It isn’t. Nodular iron (also called ductile iron or SG iron) is chosen when you want the castability and cost advantages of iron castings, but

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