EN124 is a European standard that sets out the requirements for manhole covers and gully tops, including their load-bearing capacity, dimensions, and materials. The D400 classification is one of several load-bearing classes defined by the standard, with others including A15, B125, C250, and E600. Each classification corresponds to a different maximum load capacity, with D400 being one of the highest load-bearing classes available.
A:Of course, we welcome customers from all over the world to visit our factory.
A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.we accept the third party inspection absolutely.
A: 20-30 days for bulk, 5-10 working days for inventory.
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Main Product:
ductile iron pipe,
aluminum coil,
galvanized steel coil,
ductile iron cast manhole cover,
carbon steel plate ,
section steel