Taicang Zhixiang Ship Fittings Co., Ltd Help Netherlands Antilles Small Customer Growth Plan, We are a professional Heavy duty double bolt clamps from China manufacturers/suppliers, for Heavy duty double bolt clamps OEM&ODM/wholesale prices. This specification refers only to asbestos-cement slates and unreinforced flat and corrugated sheets, both straight and curved. It does not apply to reinforced“Fitto” is an abbreviation for “fibrous cement sheet”.good condition and left undisturbed, theres no danger of Plugging Material fibres being released