For a factory owner in Almaty, Riyadh, Lagos or Jakarta, buying a complete production line from a Chinese engineering company is a major decision: a large share of the investment, a year of attention, and the future running cost of the plant all hang on it. Done well, it delivers a modern plant at a fraction of Western engineering cost. Done badly, it delivers containers of equipment, a stalled installation and a supplier who answers slowly from another time zone.
The difference between the two outcomes is rarely the price. It is the clarity of responsibility. The ten points below are what we recommend every buyer verify before signing a turnkey contract, and they are the same points our own projects are structured around.
1. Is it truly turnkey, with one contract for design, manufacturing, installation and commissioning?
Some suppliers sell “turnkey” but stop at the factory gate, leaving installation to a local contractor and process responsibility to nobody. A real turnkey contract names one responsible party from process design through performance testing. If responsibility is split, ask who owns the interface risks, because interface risks are where projects fail.
2. Is the process design based on your raw material, or on a standard brochure?
The same “starch sugar line” behaves very differently on different corn syrups, different cassava, different milk. Insist on a process proposal that references your raw material data, and where the product is unusual, ask how it will be verified: laboratory tests, trials, or reference lines running the same product.
3. Can you see real reference lines that are running, not brochures?
Photos are cheap. A supplier confident in its track record will invite you to visit operating plants in China, or at minimum provide verifiable references with contact details. Walk into a workshop the supplier delivered, watch the line run and talk to the plant’s own operators. This single visit answers more questions than any document.
4. Who manufactures the core equipment, the supplier or a trading company?
There is a structural difference between an engineering company with its own manufacturing plant and an intermediary assembling other factories’ machines. Own manufacturing means the party designing your process also controls the welding quality inside your evaporator or dryer, and can modify equipment quickly when commissioning reveals an issue.
5. What exactly is guaranteed at performance acceptance?
The contract should define the performance test: capacity, product quality parameters and utility consumption, measured with a defined method at commissioning. “The line will work well” is not a guarantee; “the line will produce X tons per hour at Y moisture with Z steam consumption, tested as follows” is.
6. What standards is the equipment designed to?
For export projects, ask explicitly about machinery safety, pressure equipment, electrical standards and food-contact material requirements in the destination market. A serious supplier answers in writing and supplies the documentation package with the machines.
7. How are shipment, installation and the civil interface managed?
Your civil works and the supplier’s equipment must meet precisely at foundations, anchor positions and utility connections. The supplier should deliver complete civil interface drawings early, supervise installation with its own engineers, and define clearly which works are yours (civil, local labour, utilities to the battery limit) and which are theirs.
8. Who commissions the line with real material, and to what result?
Cold commissioning, running machines empty, proves wiring; hot commissioning with your raw material proves the plant. The contract should make hot commissioning to contract capacity the acceptance milestone, and specify how long the supplier stays if the first runs fall short.
9. What happens after start-up: training and spare parts?
The most under-priced risk in cross-border projects is the gap between a commissioned plant and an independently operated plant. Look for a supplier who stations experienced technicians on site for months rather than days, training operators hands-on. Ask where spare parts come from: a supplier with an overseas branch and a defined spare-parts logistics channel protects your uptime for years.
10. Is the price complete, and is the cheapest offer the same scope?
Compare offers scope by scope: engineering documents, equipment list, instrumentation and controls, start-up spares, installation labour, commissioning duration, training and after-sales terms. A quotation 20% lower because it quietly excludes the fluid bed, the CIP system or the second commissioning visit is not cheaper.
Closing: responsibility is the product
When you buy a turnkey line, you are not primarily buying steel. You are buying a managed path from empty land to a running plant. Choose the supplier who accepts responsibility at every stage and verify each stage with the questions above. Our own projects are delivered this way: one contract, five stages covering consulting, engineering, manufacturing, installation and commissioning, and after-sales with resident training for six to twelve months. If you are planning a food, starch, dairy or water-treatment plant, send us your project data and put our answer to the ten-point test.