Steel pipes and H beams are supply with our interlocks to connect with Z type sheet piles. Length are 12-35m.This is the biggest project in North America in recent years.Only we can supply such complex project.The project owner visited us several times before finalizing the order.They are very satisfied with our quality control work.The pipes are all big diameter pipes,each pipe is over 10 tons. We ship to Mexico in two shipments.The whole project consist of steel pipes,HZ combined walls,GPZ Z type sheet piles, waler and bracing system. Also over 800 tons of tie rods. All these are produced in Shandong Chengda Steel factory. In year 2017 and later on,there will be 3 more quay wall projects for this client,and they will continue to buy from Shandong Chengda Steel.