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COD (Corrugated Optic Duct) which takes charge internet communication network
construction business of IT industry in bright developments is innovation
development products which have the wholly duct of Inner Duct and Outer Duct
in our companies It solves perfectly the problem to construct COD in the meantime and product and supply COD which had innovation development products.
As the Outer Duct have the corrugated type, the impact and strength of compression
Is strong, bend and construction are easy. It is not loss this in below zero temperature as raw materials (HDPE) in the winter season, and The length of Roll has 50~500m, and it does not have a joining additional n eed between a man hole and man holes, and it can make cable structure to heavy. When you construct cable fulling, you can protect COD.
