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Square Manhole Cover 1.Excellent electrical insulation resistance ,arc resistance and signs of leakage. 2.Excellent mechanical strength ,flame resistance and heat resista
Plastic Composite Sewer Cover The Composite Plastic Sewer Cover With the Following Strength : Technical Specification of SMC manhole cover : Materials:SMC(Sheet Moulding Compound
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EN124 SMC/FRP Manhole Cover Detailed Product DescriptionZibo Best Energy-Saving Materials Co.,Ltd supply all size all dimension FRP composite manhole cover, which can be designe
BEST EN 124 SMC Manhole Cover Detailed Product DescriptionZibo Best Energy-Saving Materials Co.,Ltdsupply all size all dimension FRP composite manhole cover, which can be designed