... for steel pipe for surface corrosion protection tape. ISO 9001, ISO 14001 ASTM D 1000 SGS,DVGW test report Anti corrosion ... tape, these products are using inorder to corrosion protection for Oil, Gas, Petrochemical, Water and Waste Water underground Steel pipelines. Product ... is suitable to any diameters for petroleum, natural gas, water supply, city gas, oil and electric power industries etc. the ...