ANSI Roller chains with straight side platesWe combine extensive design experience and modern manufacturing technology to custom design the exact conveyor chain needed for various market applications.  You can find Donghua conveyor chain used as escalator step-chain, double plus chain, palm oil chain, sugar mill chain, spreading machine chain, dry oven chain, bulk material conveyor chain, and more. Each incorporates high quality material, precise heat-treatment, and quality assembly.  Donghua USA conveyor chain meets the international standard (ISO) and other advanced industrial standard (DIN, ANSI, BS).