Siemens distributor and supplier — AO Ctrl is an independent China distributor of the SIMATIC control family: S7-1200 and S7-1500 controllers, the legacy S7-300 and S7-400 ranges, HMI panels, SINAMICS drives and SIMOTICS motors, including discontinued S7-200/S7-300 modules and allocation-constrained lines. Condition of every line is stated on the quote.
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AO Ctrl operates as an independent stocking distributor and sourcing agent, not a single-brand authorized dealer. This independence allows us to source active, allocation-constrained, and obsolete Siemens parts across the global supply chain without franchise restrictions.
Verified in-stock Siemens components are prioritized for rapid international express dispatch (DHL, FedEx, UPS); exact timing is confirmed per order. Global DDP door-to-door delivery is available to eliminate customs delays for urgent machine-down requirements.
Every Siemens unit undergoes physical inspection, date code verification, and packaging checks. Refurbished or pull units receive functional power-on bench testing under load with video documentation shared prior to dispatch, supported by our standard warranty.
Yes, we specialize in legacy and end-of-life Siemens modules and accessories no longer quoted by factory channels. When direct original units are depleted, our technical team assists with pin-to-pin and functional drop-in cross-references.
Submit your Bill of Materials (BOM) in Excel, CSV, or by entering part numbers in the RFQ form. Our sourcing desk consolidates all Siemens lines into a single competitive quote with firm lead times within one business day.