Taicang Zhixiang Ship Fittings Co., Ltd Help Australia Small Customer Growth Plan, We are a professional Heavy duty double bolt clamps from China manufacturers/suppliers, for Heavy duty double bolt clamps OEM&ODM/wholesale prices. ADVICE SHEETasbestos containing materials from their OWN property. Asbestosaccredited laboratory, to ascertain whether or not it is asbestos and if so,.Often there are no records of where Plugging Material was used, but one must assume that any fibrocement sheets, roofs or pipes installed before 1981 contain asbestos