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A buyer in Rotterdam sends the same tech pack to a trading company and to two factories. The trading quote comes back at 9.85 USD FOB, the factories at 8.70 and 8.95. The buyer assumes the trading company is taking 12 percent for a phone number. Sometimes that is exactly what is happening. Sometimes the trading company is absorbing a cost the factories quietly excluded, and the 90-cent gap is the cheapest part of the deal. Separating those two cases takes about one hour of line-by-line comparison, and the answer changes which supplier you should sign with.
Where the Markup Actually Sits
Trading company markup on laptop backpacks is usually smaller than buyers assume, typically 6 to 12 percent on a repeat build, and it rarely appears as a single line. It hides in three places.
The first is the quoted price itself. The trading company negotiated 8.40 from the factory and quoted you 9.85, so the margin is embedded and invisible.
The second is packaging and logistics margin. Carton costs, hangtags, polybags, and consolidation fees get rounded up, and a 0.15 USD difference per unit on packing materials is worth 450 USD on a 3,000-piece order with nobody watching.
The third is the payment spread. A trading company paying the factory at 30 days while collecting your deposit at order confirmation is financing the order with your money and keeping the difference. Nothing wrong with that, but it belongs in the comparison.
Factories quote differently. Our FOB quotes at Tianqin break out fabric, hardware, cutting and sewing labor, overhead, and packing as separate lines. That structure exists so a buyer can challenge one line instead of negotiating a single number, and it also means our margin is visible in the arithmetic. Buyers occasionally find that uncomfortable. It is still the more useful document.
What You Are Really Buying From a Trading Company
Strip away the markup and the trading company is selling four things, each with a real cost.
Product breadth: one invoice for backpacks, cables, and drinkware
Consolidation: multiple factories loaded into one container
Supplier filtering: someone else carried the audit cost
Administrative load: one contact, one set of documents, one language
If your assortment is 40 SKUs across six categories and you ship two containers a year, those four services can be worth more than the markup, and fighting for 90 cents a unit is a waste of a buyer's calendar.
If your program is one laptop backpack model, reordered four times a year at 5,000 pieces, you are paying for breadth you do not use.
Run the Numbers on One Real Order
Model a 10,000-piece run of a 25L laptop backpack with a 1680D ballistic nylon shell and YKK zippers.
Factory direct at 8.70 FOB: 87,000 USD
Trading company at 9.85 FOB: 98,500 USD
Difference: 11,500 USD, or 11.5 percent of product cost
Now subtract the services the trading company actually performs. If it handles consolidation of three factories into one FCL and saves you a second shipment at 1,800 USD, and it absorbs a claim on a defective batch worth 2,400 USD, the real gap narrows to 7,300 USD. Then add what the factory gives you that the trading company cannot pass through, such as direct access to the pattern room for a mid-run change, and the gap narrows again.
For most single-model programs above 6,000 pieces per order, direct factory sourcing wins on cost. Below 2,000 pieces, with mixed assortments, the trading company frequently wins once you price your own time.
When the Trading Company Is Genuinely Worth Paying
Three situations justify the markup without argument.
You are buying eight categories and cannot audit eight factories in one trip. Consolidation alone can save a partial container penalty of 1,500 to 3,000 USD.
You need small quantities across many models to test a market. A trading company can place 300 pieces with a factory that would refuse your direct inquiry, because it already holds the relationship and the line slot.
You have no import entity, no forwarder, and no compliance staff. The markup buys a functioning paper trail, and building that in-house costs more than the difference for the first two years.
There is a fourth case buyers underrate: the trading company that owns a real QC function with staff on the factory floor during production. That is not the same as an agent who visits twice.
Price that service honestly. A QC inspector present for the full production run costs the trading company somewhere between 120 and 200 USD per week of coverage once travel and salary are counted. Across a six-week run that is roughly 900 USD, or 0.09 per unit at 10,000 pieces. That is cheap insurance against a rejected container, and a buyer without a QC team should not begrudge it.
The distinction that decides whether the markup is fair is visibility. Ask the trading company which factory will sew the order, then ask to speak to that factory's production manager directly at least once during the program. A partner arranges the call. A broker changes the subject.
What Factory Direct Actually Demands From You
Direct sourcing is cheaper in money and more expensive in attention. Buyers who fail at it usually fail here rather than on price.
You must read the tech pack yourself, because there is no one between you and the pattern maker to catch a missing measurement. You must approve lab dips and counter samples on a schedule. You must understand that a 7 to 15 business day sampling window is clock time from approved artwork, not from your first email.
The limitation on our side is concrete. At Tianqin we manufacture bags, and we do not consolidate drinkware, electronics, or packaging from other suppliers into your container. If your program needs a mixed container, you will still need a forwarder or a trading partner to assemble it. We also will not take a 250-piece run on a fully custom pattern at a price that resembles our 3,000-piece price, because the cutting setup alone consumes most of the margin at that volume.
A One-Hour Cost Test
Before you award anything, run this on both quotes.
Ask each supplier to split the price into fabric, hardware, labor, overhead, and packing
Ask for the fabric consumption figure in meters per bag, then multiply by your own mill price
Ask for the carton dimensions and pieces per carton, then recalculate freight on volume weight
Ask what is excluded: destination charges, testing, barcode labeling, inner polybag
Ask who pays for a mid-production spec change and what it costs
Ask for the payment schedule in writing, both directions
Ask which factory actually sews the order and get its address
That last question is the one that separates a real trading company from a broker. A broker cannot answer it, and a broker is where most of the hidden cost in this category lives.
Send Us the Other Quote
If the gap between your trading quote and your factory quote is under 10 percent, the margin is probably not the issue and the conversation should be about service scope. If it is over 15 percent on a single model above 6,000 pieces, ask us to cost the same tech pack line by line and show you where the difference sits.
Write to [email protected] with your tech pack or a reference sample. Quanzhou Tianqin Bags Co., Ltd has manufactured bags for 17 years and exports to more than 50 countries, with sampling at 7 to 15 business days and monthly capacity that supports repeat programs. Materials, product lines, and factory capability are on www.tianqinbag.com.
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