Taicang Zhixiang Ship Fittings Co., Ltd Help Trinidad and Tobago Small Customer Growth Plan, We are a professional U type tube clamp from China manufacturers/suppliers, for U type tube clamp 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