About us

Who We Are & What We Do

PLC Autocontroller is a global supplier of industrial automation spare parts based in Hong Kong, with a 52,000 sq. ft. warehouse stocking over 300,000 SKUs. We deliver genuine OEM components to maintenance teams and system integrators across 100+ countries.

Our 10 core product lines cover everything your control room needs: PLC modules, DCS components, SIS safety systems, TSI vibration monitoring, servo drives and motors, variable frequency drives (VFD), HMI operator panels, industrial power supplies, communication gateways, and process control instruments. Whether you need a Rockwell Allen-Bradley processor, a Siemens S7 module, a Bently Nevada 3500 TSI system, or a Yokogawa DCS card, we stock it for same-day dispatch.

One call covers all your OEM needs 20 Years of Supply Chain. Expert Team Positive Vibes Endless Inventory FAQ Q1: Do you keep parts in stock? Yes. We hold 300,000+ SKUs in our Hong Kong warehouse. In-stock items ship same day; out-of-stock items are typically sourced within 24–72 hours. Q2: Can you find obsolete or discontinued parts? Yes. Locating EOL and legacy components is a core strength of ours through our global sourcing network. Q3: What is your minimum order quantity? No MOQ for most items. We accept single-piece orders and offer volume discounts for bulk purchases. Q4: Are your parts 100% original and brand new? Absolutely. Every part is genuine, factory-sealed, and brand new unless explicitly stated otherwise, backed by a 12-month warranty. Ready to order? Browse our catalog or contact us for a quote！