To write a material list or BOQ, Chinese factories can quote, specify grade, size, finish, thickness, and standard for every line, plus quantity, lead time, and destination port. A clear document gets accurate quotes fast. A vague one forces factories to guess, and they guess in their own favor.
This guide shows exactly what each line item needs, the details buyers most often leave out, and how to structure a bill of quantities so factories in China return quotes you can actually compare against your project.
Why a Vague BOQ Costs You Money
A factory can only quote accurately against a clear specification. Ambiguous line items produce vague quotes, mismatched samples, and the classic dispute where the goods technically match the order but not what you wanted.
“Floor tiles, 600×600” tells a factory almost nothing. Grade, finish, water absorption, and slip rating all change the price and the product. Leave them out and each factory fills the gaps differently, so the quotes you get back are not comparable and none reflects what you actually need.
Drawings, Specification, and BOQ: How They Fit Together
A BOQ works alongside two other documents, and buyers often confuse them. The drawings show what to build, the specification says how to build it and to what standard, and the BOQ lists how much of everything is needed. A factory quoting your order needs all three to price it without guessing.
A quick note on terms: a bill of quantities (BOQ) is a construction document listing measured work and materials, while a bill of materials (BOM) lists the components of a single manufactured product. For sourcing, buyers usually send a BOQ or a material list; the factory then quotes each line against it.
What Every Line Item Must Include
Each line needs enough detail for a factory to price it without guessing. The exact fields vary by product, but the principle is the same: describe the product so precisely that two different factories would quote the same thing.
| Field | Why It Matters |
|---|---|
| Product and material | Removes ambiguity about what is being made. |
| Dimensions and thickness | Directly affects material cost and price. |
| Grade and standard | Sets quality level (CE, ISO, ASTM, or local standard). |
| Finish and color | Changes tooling, process, and appearance. |
| Quantity | Determines MOQ, pricing tiers, and container planning. |
| Lead time required | Lets the factory confirm it can meet your schedule. |
| Destination port | Needed for freight and Incoterm quoting. |
The Details Buyers Most Often Leave Out
Certain gaps appear again and again, and each one triggers a round of back-and-forth that delays your quote. Fill these in before you send anything.
Commonly missing specifics
- Applicable standard: which certification the product must meet.
- Tolerance: how much dimensional variation is acceptable.
- Packaging: how goods must be packed for export transit.
- Finish detail: exact color code, texture, or coating type.
- Reference images or drawings for anything visual or profiled.
These same gaps are what make verifying a manufacturer harder later, because a factory that never understood the spec cannot be held to it.
How to Structure the Document
Organize the BOQ by category, with one row per product and a column for each specification field. A clean, tabular structure lets a factory scan, price, and return your document row for row, which is far faster than parsing a paragraph of mixed requirements.
Give every line a clear unit of measurement, square meters for tiles, linear meters for profiles, or piece counts for fittings, and number items consecutively within each section. Group items by category, tiles, sanitary ware, doors, lighting, so each can go to the right specialized factory. A well-structured BOQ is also what makes consolidation possible, because each category can be sourced separately and merged into one shipment.
Two errors quietly inflate or shrink an order. Double-counting, where the same item appears in two sections, and forgetting a waste allowance. For materials like tiles, adding a standard 10 to 20% waste margin to quantities prevents ordering short. A quick independent review before sending catches both.
This structure connects directly to one-stop versus multi-supplier sourcing, where a clean category breakdown lets one partner route each line to the best factory.
Add Drawings and Samples for Anything Visual
Words alone cannot specify a finish, profile, or color reliably. For anything where appearance or shape matters, attach a drawing, a reference image, or a physical sample specification. This closes the gap between what you mean and what the factory imagines.
A door profile, a tile finish, a hardware detail, these are where written specs fail most often. A single reference image prevents the most common and most expensive misunderstanding: goods that match the words but not the intent.
Turning a Project Drawing Into a Factory-Ready BOQ
Architects and contractors often work from drawings and schedules that are not in a format a Chinese factory can quote directly. Translating them is one of the most common reasons buyers need help.
JEES Global reviews drawings and material schedules, clarifies ambiguities, and converts them into specific factory-ready specifications so the quotation matches what the project actually requires. This BOQ-based sourcing step is where most costly mismatches are caught before an order is ever placed.
A Quick Checklist Before You Send
Run every BOQ through this before it goes to any factory.
- Every line has product, dimensions, grade, finish, and standard.
- Quantities and required lead times are stated.
- Destination port and preferred Incoterm are included.
- Drawings or images attached for anything visual.
- Items grouped by category for the right factory.
- A waste allowance added to quantities, and no line counted twice.
Getting this right upfront prevents most of the costly sourcing mistakes that trace back to a document a factory never fully understood.
| How JEES Global Turns Your BOQ Into Quotes
If your material list or drawings are not factory-ready, JEES Global bridges the gap. We review drawings and schedules, clarify ambiguities, and convert them into quotable factory specifications, then return verified quotations row for row against your project. This BOQ-based sourcing is where costly mismatches get caught before an order is placed. Send your material list or drawings to get started. |
Frequently Asked Questions
What is a BOQ in construction sourcing?
A bill of quantities (BOQ) is an itemized list of every material and quantity a project requires, with specifications for each. It is the document factories quote against. For the formal definition and its role in construction contracts, the RICS professional standards are a recognized reference.
How detailed does my material list need to be?
Detailed enough that two different factories would quote the same product. Include grade, dimensions, finish, standard, and quantity per line. The more precise the list, the faster and more comparable the quotes you receive.
Can factories quote from a rough material list?
They can, but the quote will be full of assumptions and hard to compare. A rough list triggers rounds of clarifying questions and often produces samples that miss what you wanted. Specifying upfront saves time overall.
Do I need to translate my BOQ into Chinese?
Not usually. Most export-focused factories work in English, and a sourcing partner handles any translation and clarification. What matters is precision, not language, so a clear English BOQ with drawings works well.
What if I only have architectural drawings, not a material list?
Drawings can be converted into a factory-ready BOQ. A sourcing partner reviews the drawings, extracts the material schedule, clarifies specifications, and builds a quotable document, which is one of the most common starting points for buyers.
Send a BOQ Factories Can Quote Straight Away
A clear BOQ is the single biggest predictor of a smooth order. If your material list or drawings are not yet factory-ready, send them to JEES Global and get them turned into quotable specifications, with verified factory quotations returned row for row against your project.