Buying machines & equipment from China

Machinery is the category where a sourcing mistake stops being annoying and starts being expensive: the wrong voltage, a missing certificate or an unobtainable spare part can leave 600 kg of crated metal useless in your workshop. China builds excellent machines at prices nothing else matches — this guide is about the checks that decide which one you end up with.

The one-minute version: confirm voltage, frequency and phase before anything else; get an unedited video of your machine (serial number visible) cutting your material before you release the balance; buy the consumables and spare parts in the same order; and make sure the machine is built around a controller and motors you can buy again.

This was one of the busier categories on the old Don Express marketplace — bag sewing and packing machines, laser cutters and engravers, CNC metal cutters, pumps, generators, handheld scanners and small commercial appliances. The storefront is offline, but the factories behind those listings still sell directly. Here's how to reach them without getting burned.

1. Power comes first: voltage, frequency, phase

Chinese machines are built for the Chinese grid: 220 V / 50 Hz single-phase for light equipment, 380 V / 50 Hz three-phase for anything industrial. Before you discuss price, ask for a photo of the nameplate and the wiring diagram, and get the answers in writing:

• Single-phase 220 V in North America — usually workable: a step-up transformer from 120 V, or a 240 V circuit (two legs of split-phase). Size the transformer to the machine's peak draw, not its average, and remember a 240 V outlet is not the same thing as a 220 V single-phase supply with a neutral — check what the machine expects.
• Three-phase 380 V — not something a transformer alone solves cheaply. You need a three-phase supply, a step-up transformer, or a phase converter, and that cost belongs in your purchase decision, not in a surprise later.
• 50 Hz vs 60 Hz — matters for motors. An induction motor's speed follows the supply frequency, so a 50 Hz motor on a 60 Hz supply runs roughly 20% faster, draws more from the driven load, and can overheat if it wasn't specified for both. Ask whether the motor plate says "50/60 Hz", whether the machine is driven through a VFD (which makes frequency a non-issue), and whether the machine's own timing or cutting speeds were set for 50 Hz.
• Plugs and cabling — assume the machine arrives with a Chinese plug or bare leads, and that local electrical rules require a qualified electrician for a hard-wired install. Budget for it.

2. Laser cutters and engravers

The most-requested machines in this category, and the ones where listing titles are least honest. Three different technologies get sold under the same word:

• Wattage on diode machines is marketing. A module with 10 W of real optical output is routinely advertised as "80W" or "130W" using input power or a made-up "equivalent". Look for the phrase optical output power; if the listing won't state it, assume the small number.
• Clear acrylic needs CO2. Blue diode light passes straight through it. This single fact invalidates a lot of "it cuts everything" listings.
• Price the whole installation. Chiller (a passive unit for small CO2 tubes, an active chiller for 100 W and up), fume extraction, air assist, rotary attachment and the transformer are often separate line items. Ask exactly what is in the crate.
• Consumables decide running cost. A CO2 glass tube is a wear part with a finite life and it is fragile in transit — order a spare with the machine and ask how it's packed. Fiber cutters eat nozzles, ceramic rings and protective windows; get the part numbers.
• Controller and software — machines built around a widely used controller (Ruida-class CO2 controllers driven by RDWorks or LightBurn; EZCAD-family software for fiber galvo markers; GRBL-class boards on diode machines) can be serviced and re-tooled years later. A custom unlabelled board with vendor-only software is a machine with an expiry date.
• Safety is not optional. Insist on a proper enclosure with a working lid interlock, and buy laser glasses rated for your wavelength — 1064 nm fiber glasses give you no protection against a 450 nm diode and vice versa. Lasers start fires: extraction, a fire extinguisher within reach, and never running a job unattended.

3. CNC and metal fabrication

• Ask what's inside, by brand. Linear guides, ballscrews, servo drives, spindle and controller — named components (and their model numbers) are the difference between a machine you can repair and a mystery. "Imported bearings" is not a brand.
• Rigidity over headline speed. Frame weight and construction tell you more about achievable tolerance than the rapid-traverse figure in the title.
• Tolerance claims need a test piece. Ask for a cut sample of your own drawing, measured, with the measuring tool in the photo.
• Tooling, chiller and software — clarify what is included, and whether the control software is licensed to you or tied to the vendor.

4. Packing, sewing and production machines

• Bag closers and industrial sewing heads — the workhorses of this category. Check needle and thread system (they're standardized; a machine taking odd parts is a trap), stitch type, and whether the head is a copy of a well-known model, which is good news for spares.
• Cordless tools built around a power-tool battery — many cordless bag sewers use a major brand's 18 V battery pack and are deliberately sold without the battery, because lithium packs are Class 9 dangerous goods and can't ride along casually. Confirm which battery mount it takes and buy the pack locally.
• Duty cycle — "industrial" in a listing title is not a rating. Ask how many hours a day the machine is designed to run, and what it's running in the video they send you.

5. Pumps, motors and generators

• Pumps: read the curve, not the maximums. "Max flow 3000 L/h, max head 3 m" describes two different operating points — maximum flow happens at zero head and vice versa. Ask for the performance curve and check the flow at the head you actually need.
• Materials and duty — impeller and seal material must suit the fluid; confirm whether the pump tolerates dry running, its IP rating, and for drinking water whether it carries a potable-water approval that's recognized in your market.
• DC pumps (12/24 V) for RV, boat and solar use: confirm real current draw so you can size wiring and fusing — see the solar guide for the same specs-vs-claims problem on the power side.
• Generators are a compliance question first. In the US, engines need EPA certification (and CARB for California) to be imported and sold legally — ask for the certificate and the engine's emissions label, not just the words "EPA certified" in a listing. Then compare noise figures at a stated distance, ask about a CO shutoff, and check that filters, plugs and carburettor parts are orderable.
• Inverter vs open-frame — inverter generators give cleaner power for electronics and run quieter; open-frame units are cheaper per watt and louder. For solar-adjacent gear, the solar guide covers pure-sine vs modified sine output.

6. Small commercial appliances and handhelds

• Anything that plugs into a wall and gets sold to consumers needs your market's electrical approval — a listing from an OSHA-recognized lab (UL, ETL/Intertek, CSA) for North America, CE/UKCA plus the right plug and documentation for Europe and the UK. As the importer you become the responsible party.
• Health-claim products are a liability, not a niche. Alkaline "water ionizer" machines are a long-running example: the marketed health benefits aren't supported by good evidence, and if you resell the product you inherit the claims printed on the box. Sell the hardware on what it verifiably does.
• Handheld scanners and industrial PDAs — ask which scan engine is inside (a known engine brand means predictable read rates and support), what Android version ships and whether it receives security updates, whether an SDK and drivers exist for your stack, and whether the battery is user-replaceable. Radios need FCC or CE RED paperwork.

7. Certification and compliance

• EU — machinery is CE-marked under the Machinery Directive (2006/42/EC; the replacement Machinery Regulation, (EU) 2023/1230, applies from January 2027). What matters is not a logo but the Declaration of Conformity plus the technical file and test reports behind it. CE on a Chinese listing is a self-declaration; ask for the documents and read the name on them — it must be the factory that built your machine.
• UK — UKCA marking and equivalent documentation.
• US — there is no CE equivalent. Workplace machines fall under OSHA rules (guarding, lockout), and electrical equipment generally needs a listing from a recognized testing lab before an inspector or insurer will accept it. An uncertified machine can be legal to own and still uninsurable to operate.
• Verify, don't admire — certificate number, issuing body, and a check in the issuer's public database. A JPEG proves the vendor owns a scanner.

8. Freight: heavy, crated and unforgiving

• Get crate dimensions and gross weight in writing before you ask for freight quotes. Machines travel as palletized or crated cargo — LCL sea freight for one or two, FCL once the volume justifies it. Air freight on a 400 kg machine is rarely worth it.
• Check it actually fits. Crate height against the container door, and the machine against your doorway and floor loading. This is a real and regular failure.
• Plan the unload. A truck arrives with a crate, not with a crew. Confirm tail-lift/liftgate delivery, or have a forklift with the capacity for the crate weight. Ask about lifting points and whether the machine is bolted to a skid.
• Insure it and inspect on arrival. Marine insurance on machinery is cheap relative to the loss. Photograph the crate before it's opened, and note any damage on the delivery paperwork before you sign — a clean signature usually ends your claim.
• Duty and HS codes — laser machine tools, sewing machines, pumps and generating sets all sit in different headings with different rates, and US Section 301 tariffs apply to many Chinese machinery lines. Get the code confirmed by a customs broker and price the duty in before you commit. A DDP quote from the vendor's forwarder, in writing with the HS code on it, removes most first-order surprises.

9. Payment, factory acceptance and inspection

• Never 100% up front. The normal structure is a deposit (commonly 30%) with the balance against shipping documents or an inspection report. Platform escrow or trade-assurance payment is worth its fee on a first order.
• Ask for a factory acceptance video — your machine, serial number visible, running a file or material you sent, start to finish, unedited. A vendor who sends a polished promo clip instead has answered a different question.
• Third-party pre-shipment inspection for anything big enough to hurt: presence and brand of named components, electrical safety, a run test, packing and crating check, and the nameplate against the contract. Release the balance after the report.
• Put the commissioning terms in the contract — who pays for a missing part, who covers freight on a warranty claim (realistically: nobody ships a machine back to China, which is why inspection beats warranty), and what remote support you get during install.

10. Spare parts and support: the part people skip

A machine is a relationship with a supplier, not a purchase. Before you pay, get a parts and consumables list with part numbers and order the first set with the machine — optics, nozzles, tubes, belts, needles, seals, filters. Confirm the manual and software are in English, that the software isn't locked to one PC, and that someone will do a remote support session in your timezone. Where critical components are standard industrial brands you can buy locally, note that down; where they're vendor-specific, buy spares now.

11. Where to buy

• Alibaba, Made-in-China and Global Sources — the English B2B route, with escrow and dispute paths.
• 1688 — domestic prices, Chinese-language, usually via a sourcing agent. Best once you know exactly which machine you want.
• Manufacturers over trading companies. For machinery you want the factory's engineers reachable when a drive faults at 2 a.m. your time. Ask to see the workshop on a video call, and ask a technical question only a maker can answer.
• In person — the Canton Fair's industrial phase and the regional clusters (Jinan in Shandong for laser machines, the Wenzhou and Taizhou area in Zhejiang for pumps and valves, Foshan for appliances, Shenzhen and Dongguan for electronics and handhelds) let you run a machine before buying. See the wholesale markets guide.

Red flags

• One photo, one price, and a power menu from 1 kW to 6 kW — you're choosing a sticker, not a machine.
• "80W" diode engravers, and any refusal to state optical output power.
• No nameplate photo, no wiring diagram, no named components.
• A certificate JPEG with no number, or one naming a different company.
• Won't video your actual machine running your material.
• 100% payment up front, or a push to wire money off-platform "to save the fee".
• "Free shipping" quoted on a 600 kg crated machine, or a DDP promise with no HS code.
• No consumables or spare-parts list.

Quick answers

• Will a Chinese machine run on my power? Single-phase 220 V usually yes, with a correctly sized transformer. 380 V three-phase is a bigger project — settle it before you buy, not after the crate lands.
• Which laser do I need? Metal marking or cutting: fiber. Acrylic, wood, fabric, leather: CO2. Hobby engraving on wood and leather: diode. See the table in §2.
• Is the cheapest listing ever the right one? On machinery, the cheapest quote usually excludes the chiller, the transformer, the spares and the honest power rating. Compare fully specified quotes, not headline prices.
• Where did the machine listings go? The old Don Express marketplace is offline — see the marketplace status page. The factories behind those listings still sell through the big B2B platforms.

For freight mechanics, incoterms and supplier vetting in general, see the shipping & sourcing guide. Other category guides: vehicle spare parts, solar, jewelry & watches, clothing & apparel, general retail goods.