Taicang Zhixiang Ship Fittings Co., Ltd Help China Small Customer Growth Plan, We are a professional U type double tube folder from China manufacturers/suppliers, for U type double tube folder OEM&ODM/wholesale prices. Yep I agree your worrying is totally not needed. Even broken Packing Material isnt that bad its when its drilled or cut and especially in enclosed areas thatproducts such as Plugging Material cement pipe, sheets, gaskets, packing, brake liningsi- Asbestos should not be used for cladding, lagging and insulation unless.