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The composite manhole cover is a new type material, also known as polymer, resin manhole cover, fiberglass manhole cover. This manhole cover molded by high tempe...
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Zibo Best Energy-saving Materials Co., Ltd. was established in 2004, which is one of the largest composite manhole cover manufacturer in China, specializing in p...
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Zibo Best Energy-Saving Material Co., Ltd. was established in 2004. Main products: sewer cover , trench cover, water grate and relatived products.........
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ibo Best Energy-saving Materials Co., Ltd. was established in 2004, which is one of the largest composite manhole cover manufacturer in China, specializing in pr...
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Excellent performance: Similar hard property as cast iron, while have a overwhelming advantage on stretch recovery. No theft value: Anti-rust, corrosion, water, ...
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Zibo Best Energy-saving Materials Co., Ltd. was established in 2004, specializing in producing and supplying composite materials(SMC/BMC) manhole cover, drain gr...
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BMC/SMC manhole cover, drainage cover, and the cover of the production of our company has become a reputation and a reputation. High quality products and competi...
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Cover size Frame size Clear Opening Load Rating 690x50mm 805x100mm 600mm D400 Zibo Best Energy-saving Materials Co., Ltd. was established in 2004, which is one o...
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Cover size Clear opening Frame size Weight 690x50mm 600mm 850x850x100mm 56.5kg 1.Rubber sealing has better shockproof and airtight performance. 2.Two vented hole...
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1. Low noise manhole cover and the frame fit well, it solve the problem of the vehicle by the noise.......
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Zibo Best Energy-saving Materials Co., Ltd. was established in 2004, specializing in producing and supplying composite materials(SMC/BMC) manhole cover, drain gr...
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