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.

What documents should I ask for, and how do I verify them?

Ask for the registered legal name, registration or incorporation number, registered address, and export or tax registration number, then check them yourself in the relevant national register instead of accepting scans. Verify certificate numbers against the issuing body's own register, and check the scope and expiry, since certificates are often real but issued for a different site or product line. Confirm that the bank account is in the same legal name and country as the entity on your contract.

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List of Doors, Windows, Gates Suppliers in China - Directory of Building Material & Equipment Sellers

Global Trade Plaza is a B2B marketplace connecting Doors, Windows, Gates manufacturers, suppliers and exporters from China with importers and wholesale buyers, with support on logistics, customs and compliance.

Looking for Doors, Windows, Gates suppliers in China? 120 companies are listed here right now, showing 187 Doors, Windows, Gates listings between them. Open any profile to check what the company actually makes, which port it ships Doors, Windows, Gates from, and how to reach it.

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CHI Hardware Co.,Ltd.

160 Points
China

(0.0)

After 18 years of industry accumulation, CHI (https://www.chihw.com/) develops into professional wholesale garage door manufacturer & garage door hard.....show more

Business type -Manufacturer
Major markets -WorldWide

Classical member

Qingdao Zhenxiong Mechanical Equipment Co., Ltd.

0 Points
China

(0.0)

Qingdao Zhenxiong Mechanical Equipment Co., Ltd. is based in China and lists machinery and equipment on Global Trade Plaza. The company offers product.....show more

Business type -Manufacturer
Major markets -Not-available

Classical member

Hengshui Aohong Technology Co., Ltd.

0 Points
China

(0.0)

Hengshui Aohong Technology Co., Ltd. is based in China and lists products such as High Quality Borosilicate Reflex Gauge Glass, All Kinds Of Bubble Le.....show more

Business type -Suppliers
Major markets -Not-available

Classical member

Utench Industry Co., Ltd

0 Points
China

(0.0)

Utench Industry Co., Ltd lists Utench Upvc 3 Panel Sliding Window and Utench Aluminium Sliding Window Grill Design on Global Trade Plaza. The company .....show more

Business type -Suppliers
Major markets -Not-available

Classical member

Enerna Iotech Co., Limited

0 Points
China

(0.0)

Enerna Iotech Co., Limited, based in China, lists products such as Enerna Iotech Burglar Pir Motion Alarm, Enerna Iotech Door Windows Magnetic Contact.....show more

Business type -Suppliers
Major markets -Not-available

Classical member

Ningbo Daoseal Co., Ltd

0 Points
China

(0.0)

Ningbo Daoseal Co., Ltd, based in China, lists products such as Strip Brush, Door Sweep, Door Window Sealing Strip, Intumescent Strips Seal, Automatic.....show more

Business type -Suppliers
Major markets -Not-available

Classical member

Changchun Sunday Optoelectronics Co., Ltd

0 Points
China

(0.0)

Changchun Sunday Optoelectronics Co., Ltd, based in China, lists a range of optical products on Global Trade Plaza. These include optical lenses such .....show more

Business type -Suppliers
Major markets -Not-available

Classical member

Tianjin Wortai International Trade Co., Ltd

0 Points
China

(0.0)

Tianjin Wortai International Trade Co., Ltd is based in China and lists products on Global Trade Plaza including Shower Door Seal Strip, Fiberglass me.....show more

Business type -Suppliers
Major markets -Not-available

Classical member

Guangzhou Ruiju E-commerce Co., Ltd.

0 Points
China

(0.0)

Guangzhou Ruiju E-commerce Co., Ltd., based in China, lists products on Global Trade Plaza including Glass Beveling Machine JGXM261, Glass Washer, Dis.....show more

Business type -Suppliers
Major markets -Not-available

Classical member

Pak Tat Toys Industrial Co.

0 Points
China

(0.0)

Pak Tat Toys Industrial Co. is based in China and lists products such as PT Children Repair Tool Bag, PT 70PCS Garage Workbench, PT DIY Cosmetic Set, .....show more