D400 Ductile Iron Surface Box LWRSB1002 China Factory Suppliers
High-performance LWRSB1002 Surface Box from a leading China factory. Featuring D400 load rating, 4.6kg ductile iron ISO1083/JS/500-7 standard and black bitumen painting. Contact professional suppliers for durable urban infrastructure solutions.
Ductile Iron Manhole Cover LWSRC9001
Product model：LWSRC9001
Surface treatment: Black bitumen painting
Specifications：D400
Texture of Material: Ductile lron lSO1083/JS/500-7
Ductile Iron Manhole Cover LWRC14001
Product model：LWRC14001
Surface treatment: Black bitumen painting
Specifications：C250/class D
Texture of Material: Ductile lron lSO1083/JS/500-7
Apr.28,2026
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