Taicang Zhixiang Ship Fittings Co., Ltd Help Bhutan Small Customer Growth Plan, We are a professional Double type heavy duty clamps from China manufacturers/suppliers, for Double type heavy duty clamps OEM&ODM/wholesale prices. One of the properties we looked at had asbestos roof sheets covered byAre you sure they are Packing Materials and not cement sheets?Whole sheets of Plugging Material cement do not need to be sealed but should be wrapped in polythene sheets. Information on disposal can be obtained from your local