Pipes Shin nan casting factories have been producing quality cast iron pipes and fittings for potable water, sewerage and gas applications since 1955. With a total capacity of 80, 000 tons per year, shin nan's products include ductile iron pipes, fittings and valves conform to iso 2531, bs 4472, en 545, en 598, en969 as well as cns and jis standards. All shin nan's pipes, fittings and valves have the iso 9001-2000 quality assurance certificate as well as major international third party laboratory's approvals. Shin nan's state-of-art technology and equipments are located in two plants: yung kang factory and sun shine factory International standard for ocean transportation