Is a third-party inspection worth the cost, and when should it happen?

On any order where rejecting the goods at your own port would be expensive, yes - inspection typically costs a small fraction of the order value. Timing matters more than most buyers realise. An inspection during production catches a systematic fault while it can still be corrected; a pre-shipment inspection before the container is sealed catches quantity, packing, marking and documentation problems. Agree the inspection standard and sample size in advance, and agree in writing what happens if the goods fail.

What questions reveal a company's real production capacity?

Ask for monthly output in your own unit, then ask what it depends on: number of lines or machines, shifts run, current utilisation, and the largest single order actually completed in the past year. Ask what proportion of output is exported and to which markets. A capacity figure many times larger than any order the company has actually delivered is a theoretical number. Also ask what they would sub-contract if your order arrived, because the honest answer is rarely nothing.

How do I compare quotations when every company quotes different terms?

Force one structure. Send an identical brief - specification and tolerances, quantity, Incoterm and named port, packing and labelling, lead time, certificates, proposed payment terms - and ask for the reply against that structure. Then normalise everything to a single Incoterm and a single unit before ranking, and add the costs the seller's invoice never shows: destination terminal charges, brokerage, duty and local taxes, inland delivery. Compare response quality alongside price, because it predicts how the order will run.

What are the common signs of a fraudulent or misrepresenting supplier?

Bank details in a different name or country, a late change of banking details, refusal to show premises on a live call, urgency framed as a price rise or a limited allocation, unverifiable registration, and certificate numbers that cannot be checked against the issuer. A price far under the market for the specification you asked for is usually a different specification rather than a bargain. Conversely, a plain website, a small company or imperfect English are not warning signs on their own.

Do I need to visit the factory, or is a remote check enough?

For a first order of modest value, a live video walkthrough at a time you choose, plus independent registry checks, plus a pre-shipment inspection, is usually proportionate. As order value, customisation or regulatory exposure rises, a third-party audit report becomes worth the cost, and above that a visit by you or an agent you appoint pays for itself. The trigger is not the size of one order but the cost of the relationship failing after you have committed to your own customers.

Who is responsible if the goods fail inspection at my end?

Whatever your contract says, which is why the contract has to say it. Fix in the purchase order the specification and test method, the inspection standard and where inspection takes place, the remedy on failure - rework, price adjustment, replacement or cancellation - who pays for inspection and re-inspection, and the time limit for raising a claim. Also record the Incoterm, because it decides where risk in the goods passed from seller to buyer. Without those terms written down, a failure becomes a negotiation rather than a claim.

How many companies should I shortlist, and what should I do first?

Three to five is usually the right number: enough to reveal what the real market price and lead time are, few enough to give each a proper brief. Start by sending all of them the same specification and quantity, then compare how completely and how quickly each replies. Narrow to two, verify those two properly through registry checks and a live call, and run a small first order or a paid pre-production sample before committing volume. The second supplier is worth keeping warm even after you choose the first.

How can I tell whether a company is really a manufacturer or a trader?

Ask directly, then test the answer. Check whether the company's registration lists manufacturing activity, whether process or management-system certificates are held in its own name and for the site it claims, and whether it can show the production step you care about on a live video call at a time you choose. Then ask a technical question that only a maker answers quickly - tolerances, scrap rate, machine capacity, changeover time. Being a trader is not disqualifying, but it changes who can fix a problem and what the price should be.

For Buyers

Exporters directory All categories Sellers Feedback Regions

For Suppliers

Buyers GTP Trade Assurance Customer Testimonials Terms & conditions Complaint

All Categories

Support:

+91 86860 72165

List of Aluminium Extrusion Suppliers in China - Directory of Metal & Metal Products Sellers

Global Trade Plaza is a B2B marketplace connecting verified Aluminium Extrusion manufacturers, suppliers and exporters from China with genuine importers and wholesale buyers, with support on logistics, customs and compliance.

China has 11 active Aluminium Extrusion suppliers on Global Trade Plaza, publishing 13 Aluminium Extrusion listings between them. Send your Aluminium Extrusion specification to several of these companies at once; quotes written against the same brief compare directly.

Filters

Location

Reset

Related categories

Filters

Classical member

Microfabrication.,Ltd.

80 Points
China

(3.5)

Solution-Oriented, Quality-Driven, Engineered Solutions Since 2014, MF has been serving Clients by designing, developing, and delivering solution-ori.....show more

Business type -Not-available
Major markets -North America | Europe

Classical member

https://www.3qmachining.com/

70 Points
China

(3.0)

3Q Machining - High Precision CNC Machining Services for Prototyping & Production of Custom Parts. 3Q Machining is a top-quality CNC Machining manufac.....show more

Business type -Manufacturer | Suppliers
Major markets -Not-available

Classical member

Richang Qiaoshan Trade Co., Ltd.

300 Points
China

(4.5)

Manufacture No-Hub Soil Pipe And Fittings, Flexible Coupling, Heavy-Duty Coupling, Roof Drain, Roof Outlet, Retrofit Roof Drain, Floor Drain, Area Dra.....show more

Business type -Manufacturer
Major markets -WorldWide

Classical member

qingdao yontex co.ltd/gbsfactory

370 Points
China

(3.5)

ABOUT US: Qingdao Yontex Co., Ltd is a well-known textile firm situated in northern China. With a long history dating back to our inception in 2006, .....show more

Business type -Not-available
Major markets -Not-available

Classical member

Henan Hongchang Aluminum

320 Points
China

(3.0)

Hongchang Aluminum is a large-scale modern aluminum processing enterprise integrating processing, manufacturing and scientific research of aluminum pl.....show more

Business type -Manufacturer | Wholesaler
Major markets -WorldWide | Europe | South America | Oceania (Australia)

Classical member

Shenzhen Chinalcometal Limited

100 Points
China

(4.0)

SHEN ZHEN CHINALCOMETAL LIMITED, we take pride in being a leading provider of high-quality metal products tailored to meet the diverse needs of our va.....show more

Business type -Suppliers | Trader | Wholesaler
Major markets -WorldWide

Classical member

Henan Sigma Industrial Co., Ltd

360 Points
China

(4.5)

Henan Sigma Industrial Co., Ltd is a renowned group company that initially ventured into the aluminum industry, specializing in aluminum sheets, strip.....show more

Business type -Manufacturer | Suppliers
Major markets -WorldWide

Classical member

Henan Mintai Al.Industrial Co.,Ltd.

150 Points
China

(4.5)

We are a Chinese leading private Aluminum Manufacturer located in zhengzhou,Henan,China. The products we manufacturing include aluminum sheets ,alumin.....show more

Business type -Manufacturer
Major markets -Not-available

Classical member

Guangzhou Yingsu New Material Technology Co., Ltd.,

130 Points
China

(5.0)

Guangzhou Yingsu New Material Technology Co., Ltd., as a professional supplier of PVC additives and plastic granules, is committed to providing high-q.....show more