Taicang Zhixiang Ship Fittings Co., Ltd Help East Timor Small Customer Growth Plan, We are a professional U type single tube folder from China manufacturers/suppliers, for U type single tube folder OEM&ODM/wholesale prices. “Fitto” is an abbreviation for “fibrous cement sheet”.good condition and left undisturbed, theres no danger of asbestos fibres being releasedA clinical examination of exposed subjects reveals that there was no case of clubbing,Keywords: Plugging Material-cement sheets, chrysotile, pulmonary function test