UP to 6000MM Large Diameter Drainage Culvert Metal Pipe Assemble Galvanized Corrugated Culvert Pipe

Product Advantages 1.Anticorrosive:more than 10 years in heavy industrial areas. 2.Cheap:The cost of hot-dip galvanizing is lower than that of other coatings. 3.Reliable:The zinc coating is metallurgically bonded to the steel and forms part of the steel surface,so the coating is more durable. 4.Strong toughness:The galvanized layer forms a special metallurgical structure that can withstand mechanical damage during transportation and use. 5.Comprehensive protection:Every part of the plated piece can be galvanized,and is fully protected even in depressions,sharp corners,and hidden places. 6.Save time and energy:Galvanizing process is faster than other coating methods.