A-Jie has sold float glass for three years, and his visit list has always been tens of thousands of entries exported from a business-lookup platform by keyword-searching “glass” — only to find that more than half are decoration companies, installation crews, and glass distributors, with the deep-processing factories actually buying clear float glass making up just a small slice. As he puts it: “The bigger the list, the less I know which number to call.” This isn’t a problem more hustle can fix — the customer definition itself is wrong.
The “All Glass Companies” Pool Is Big — But It’s Not Your Customer
On Tianxia Gongchang, the number of active factories related to glass is substantial. Looking at that number alone, a salesperson would think the market is huge — but break it down carefully, and the structure changes immediately.
The core customer group that genuinely needs to steadily purchase float-glass sheet is the factories dedicated to deep processing — tempered glass, insulating glass, laminated glass, coated glass, PV glass, home-appliance panel glass. These factories consume a fixed amount of float sheet every month, and have a real purchasing relationship with sheet suppliers. Combine these two sub-pools:
- Glass deep processing (tempered / insulating / coated, etc.): 13,116 factories
- Technical and household glassware: 8,747 factories
Together that’s about 22,000 factories — that’s A-Jie’s real customer pool. The rest of the glass-related records are overwhelmingly decoration companies, installation crews, distributors, or parts factories in the auto-parts supply chain that use glass components — they purchase glass parts that are already processed, and have essentially no direct demand for raw sheet. Loading these into your visit list will only dilute your effective-visit rate down to the single digits.
22,000 Customers Can’t Be Swept by One List
With the core pool defined, the next step is segmenting it. Glass deep-processing factories differ enormously by application direction — a curtain-wall maker and an automotive laminated-glass maker need completely different sheet specs, thicknesses, and quality requirements; ultra-thin glass factories making home-appliance panels only accept thin-sheet capacity from specific float lines. Sweep one list across all of them, and your quotes won’t even match up, making deal-closing efficiency very low.
A-Jie’s later approach: split into four lines by deep-processing direction, and build a separate rhythm for each.
| Deep-processing direction | Raw-sheet demand characteristics | Representative city clusters | Customer scale profile |
|---|---|---|---|
| Building curtain wall (tempered/insulating) | Mainly large panels, low-iron clear glass; high volume, stable cycle | Cangzhou, Xingtai, Langfang, Zibo | The bulk of the deep-processing pool, largest share |
| Home/appliance panels | Ultra-thin, coated, colored; high quality requirements | Dongguan, Foshan, Zhongshan, Jinhua | The Guangdong triangle, #1 province in the deep-processing pool |
| Automotive glass (laminated) | Automotive-grade float glass, safety-glass compliance requirements | Cangzhou, Langfang, Chongqing, Shiyan | Dedicated laminated/OEM supporting factories, large per-customer order volume |
| Technical and household glass | Glassware, lighting-fixture glass, optical glass; scattered varieties | Cangzhou, Jinhua, Xingtai, Zibo | Technical-glass pool of 8,747 factories, long tail |
Visit preparation differs for each line. For curtain-wall factories, your pitch can focus on “stable large-panel supply”; for home-appliance panel factories, you first need to figure out whether they’re making refrigerator doors or oven panels — the light-transmission requirement for the raw sheet differs by an order of magnitude.
Enter by City Cluster: The Map Logic of Float-Glass Sales
Glass deep processing shows a clear geographic clustering effect. A-Jie ran a quick calculation on Tianxia Gongchang: just the provincial distribution of the deep-processing plus technical-glass pools is already highly concentrated — Zhejiang, Jiangsu, Shandong, Guangdong, and Hebei are the top five provinces, and Shahe (Hebei), Zibo (Shandong), Dongguan/Foshan/Zhongshan (Guangdong), and Jinhua (Zhejiang) are the core city clusters.
That means you don’t need to cast a nationwide net — thoroughly covering the core cities in these five provinces is enough to cover the vast majority of valid customers. Raw sheet is bulky and freight-sensitive, and deep-processing factories have a limited purchasing radius, so supplying nearby is itself a bargaining advantage — cities like Shahe and Zibo, which sit near major raw-sheet production areas and are also deep-processing clusters, are the bases most worth cultivating for the long term.
Deep-processing use: building curtain wall / tempered
Main city belt: Hebei — Cangzhou, Xingtai, Langfang; Shandong — Zibo. This belt sits right next to major raw-sheet production areas with a short purchasing radius, making it the most mature building curtain-wall glass processing cluster. Pull a list directly on Tianxia Gongchang by filtering Hebei + deep-processing glass.
Deep-processing use: home / appliance panels
Main city belt: Guangdong — Dongguan, Foshan, Zhongshan; Zhejiang — Jinhua. This belt focuses mainly on home-appliance glass panels and lighting-fixture glass, with high quality requirements and stable per-factory purchase volume. Enter via Guangdong + deep-processing glass.
Deep-processing use: technical / household glass
Main city belt: Cangzhou in Hebei, Dongguan/Foshan in Guangdong, and Zibo in Shandong are several high-density clusters; glassware, pharmaceutical, and lighting-fixture materials are scattered, but concentrating visits on these cities is the most efficient. Build a separate list on Tianxia Gongchang for the technical-glass pool to follow up.
Why the “Keyword Export” Path Doesn’t Work
When A-Jie searched “glass manufacturing” on a business-lookup platform, he exported more than 30,000 records. It took him a week of calling to discover that more than half were door-and-window installation companies, glass distributors, and decoration contractors — these companies do have the word “glass” in their business scope, but they don’t process it themselves or use raw sheet; they just resell finished product.
The fundamental problem with keyword exports: they only look at company name and business-scope text, and can’t filter for factories “genuinely doing deep processing.” A company registered as “tempered glass sales” and a factory that actually has a tempering furnace look identical in a keyword search.
Tianxia Gongchang’s approach is to locate factories directly from 4.8 million+ real factory profiles, by manufacturing process and industry classification — filter for tempered / deep-processing glass on Tianxia Gongchang, and what you get is deep-processing factories with real lines actually running, not a generic list mixed with distributors and contractor crews. City, scale, and insured headcount can all be layered on as filters — pulling a precise list of 500 by city out of the 13,116 total is something you can do in a few minutes.
Segment by Factory Scale: Who to Call First, Who to Follow Up Later
Within the core pool of 22,000, scale distribution is similarly lopsided. On Tianxia Gongchang, micro-factories with fewer than 10 insured employees account for a considerable share — these factories buy in scattered small quantities, carry high payment-term risk, and while the decision-maker answers the phone personally, orders are hard to grow. Factories with 100+ insured employees, on the other hand, typically have monthly purchase volumes above a certain level, making them quality customers worth investing relationship-building effort in.
For A-Jie, just opening up a new city, a workable rhythm is: first filter Tianxia Gongchang by city + industry to get 50 to 100 factories, then layer on insured headcount to screen out micro-factories under 10 people, sort the remaining list from largest to smallest, call the top 20 first, and put the rest into a monthly follow-up pool. This compresses prep time before each visit from a full day down to half an hour.
Before You Make the First Call: Five Self-Check Questions
- Is this factory’s main business deep processing (tempered/insulating/laminated), or sales/installation? — Confirm it actually consumes raw sheet, rather than reselling finished product.
- Which application direction is it in — building curtain wall, home appliance, automotive, household? That decides which spec of quote you should bring.
- How many people does this factory have on insurance? Skip anything under 10 this year, and focus on 50+.
- Are similar factories concentrated in its city? Shahe, Zibo, Dongguan, and Jinhua are all high-density clusters worth a single trip to cover thoroughly.
- Do I already have contact details for the top 20 factories in this city? If not, export them from Tianxia Gongchang first, then book the flight.
From “A Long List” to “A Precise Pool”: A Shift in Judgment
The most common mistake in float-glass sales isn’t a lack of hustle — it’s “thinking there are lots of customers, when really the customers are just scattered.” Glass-related records look plentiful, but the ones genuinely needing to buy raw sheet are concentrated in the 22,000 deep-processing factories; within those 22,000, a considerable share is concentrated in the five provinces of Zhejiang, Jiangsu, Shandong, Guangdong, and Hebei; and within those five provinces, a handful of core cities — Shahe, Zibo, Dongguan, Foshan, Jinhua — carry the highest density of customers.
Once this funnel is built, A-Jie’s approach is no longer “cast a wide list,” but “advance city by city, thoroughly covering one city before moving to the next.” His customer pool went from 30,000 mixed entries to a precise list of 2,000, with every lead backed by a factory genuinely running a line. Preparation before each trip is now: filter Guangdong Province · deep-processing glass or Hebei Province · deep-processing glass on Tianxia Gongchang, export, and go.
If you also sell raw materials or basic components, ask yourself one question: on your current visit list, how many factories are actually using what you sell? If that share is still under half, the problem isn’t that your list is too short — it’s that your customer definition hasn’t been tightened enough.
Use Tianxia Gongchang to Turn These 22,000 Factories Into Your List
Filter for tempered / deep-processing glass on Tianxia Gongchang, and get 13,116 real, actively producing deep-processing factories directly. Layer on province (Guangdong/Hebei/Shandong/Zhejiang/Jiangsu) to narrow to a single-province list, then filter by insured headcount to remove micro-factories. Build the technical/household glass pool separately, prioritizing Cangzhou, Jinhua, and Zibo. Export to CSV and schedule visits in batches by city, instead of ordering them randomly by “whoever picked up the phone.”
A commercial industry list on the market typically runs ¥800 to ¥2,000, expires after six months, is often missing decision-maker fields for half the entries, and relies on manual updates that frequently lag. A Tianxia Gongchang membership is ¥768/year, covering 4.8 million+ real factory profiles, with unlimited filtering and export, and registry/insurance data synced weekly. Over a year, buying even one commercial list costs more than the membership — and the membership can be reused across different tracks and different cities.
→ Filter for glass deep-processing factories on Tianxia Gongchang | → Get a Tianxia Gongchang membership now, ¥768/year
Published by the Tianxia Gongchang Research Institute.