Our products strictly follow the drainage flexible interface cast iron pipes, fittings and accessories requirements, using international advanced centrifugal casting production process, the product has a metal compact structure, internal and external finish, thin wall and uniform corrosion resistance, easy installation and transportation, etc. advantages, especially in the earthquake, fire, noise, recycling use, etc. has a unique advantage, widely used in high-rise building drainage, ventilation purposes, and in the national key projects, quality engineering, and earthquake and fire prevention requirements of high buildings is forced recommended. Material Standard: a European standard, American standard, GB and ISO international standards.
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