TL;DR — Direct answer: Importing a screw compressor from China is straightforward when four things are settled before shipment: the correct voltage and frequency for the destination, the right Incoterms and shipping method, the customs and certification documents, and a commissioning plan for arrival. Most import problems come from one of these being assumed rather than confirmed, and each is easy to get right with a short checklist at order stage.
China manufactures a large share of the world's screw compressors, and overseas buyers choose Chinese suppliers for competitive pricing, broad model ranges, and fast production. Yet first-time importers sometimes hit avoidable problems: a machine built for the wrong voltage, a shipment delayed by missing documents, or a commissioning visit that finds the site unprepared. None of these are inherent to importing; all of them are preventable at order stage.
QiAir, a Chinese manufacturer and supplier of screw air compressors, exports machines worldwide, and this guide follows the checklist our export team uses with first-time overseas buyers.
Voltage, frequency, and electrical adaptation
Confirm the destination supply exactly: voltage, phase, and frequency, plus any local electrical standards or certification requirements. China commonly uses 380 V, three-phase, 50 Hz, but many destinations use 400 V, 415 V, 440 V, or 480 V, and 60 Hz markets include much of the Americas, parts of the Middle East, and others. A motor built for the wrong frequency runs at the wrong speed, which changes output, cooling, and pressure, so this must be specified at order, not adapted on arrival.
Where the destination supply differs from the factory standard, options include a motor wound for the destination voltage and frequency, a transformer for voltage-only differences, or a VFD that can handle frequency adaptation within its design limits. Agree the solution with the supplier in writing, and confirm it on the machine nameplate and test certificate before shipment, because correcting a motor after delivery is slow and expensive.
- State voltage, phase, and frequency in the order, not just the country name.
- Confirm the motor and control solution for any supply difference in writing.
- Check the nameplate and test certificate match the destination supply before shipping.
Shipping, Incoterms, and customs documents
Agree Incoterms clearly: EXW, FOB, CIF, and DDP allocate transport, insurance, and customs responsibilities very differently, and misunderstanding them is the most common shipping dispute. For sea freight, compressors are normally crated, and buyers should confirm crate dimensions, weight, and whether the shipment is full-container or consolidated, since that affects transit time and handling risk.
Prepare customs documents early: commercial invoice, packing list, bill of lading or airway bill, certificate of origin where required, and any product certification the destination demands, such as CE marking for Europe. Confirm import duties, local standards, and any pre-shipment inspection requirements with a local customs broker before the goods sail, so clearance is a formality on arrival rather than a delay.
Arrival, commissioning, and supplier support
Plan arrival before the crate lands: a level site, suitable lifting equipment, electrical connection by a qualified electrician, and the installation checks covered in a proper commissioning sequence. Inspect the crate on delivery and note any transit damage on the delivery document immediately, with photographs, because damage claims are far harder after acceptance without reservation.
Agree support terms in advance: warranty scope and duration, how faults are reported, spare parts supply, and whether remote or on-site commissioning support is included. QiAir provides export documentation, voltage and frequency adaptation, and commissioning support for overseas buyers, because a successful import is measured not at the port but at the first month of reliable production.
Frequently asked questions
What voltage and frequency do I need to specify?
Your local supply exactly: voltage, phase, and frequency. Do not assume the supplier knows it from your country alone, since many countries have multiple industrial supplies.
Which Incoterm should a first-time importer choose?
It depends on how much logistics you want to manage. CIF or DDP shift more responsibility to the seller, while FOB or EXW give you control but require your own freight and customs arrangements.
What documents are needed for customs clearance?
Typically a commercial invoice, packing list, bill of lading, and certificate of origin, plus any destination product certification. Confirm the exact list with your customs broker before shipment.
Related reading
- Single-Stage vs Two-Stage Screw Compressors: Which One a China Manufacturer Recommends
- Buying Screw Compressors from China: A Ranking Checklist for Choosing a Supplier
QiAir is a Chinese manufacturer and supplier of screw air compressors. If you are sourcing a screw compressor from China — for a factory, a textile mill, a construction site or a new production line — contact QiAir for a sized quotation, documented performance data and export support.