Taicang Zhixiang Ship Fittings Co., Ltd Help Angola Small Customer Growth Plan, We are a professional Heavy duty clamps from China manufacturers/suppliers, for Heavy duty clamps 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