This video demonstrates the production and quality control process behind CuNi 70/30 marine pipe fittings at TOBO INDUSTRIAL (SHANGHAI) Co., Ltd. Viewers will see how alloy steel, super duplex, nickel alloy, and copper-nickel fittings are manufactured, inspected, and prepared for global delivery — including custom small-batch and non-standard metal parts. A practical walkthrough for B2B buyers seeking corrosion-resistant pipeline solutions.