Direct answer: A procurement order-quantity and price-break page is not "the more you buy, the cheaper". The page should state: how to source demand/ordering cost/holding cost; how to calculate EOQ (economic order quantity); how to compare price breaks/quantity discounts (not unit price alone, but purchase + ordering + holding + storage/obsolescence/cash flow); how MOQ, pack multiples, lead time, safety stock and supplier capacity constrain the quantity; how to choose single lot/partial/call-off/consignment; how to set contract minimum volume/rebate/cancellation/extension; public boundary. On the rules: MOF Internal Control Application Guideline No. 7 (Procurement) requires procurement plans, requisitions, supplier selection, price, contracts, acceptance, payment and records; No. 8 (Asset Management) requires reasonable purchase dates and quantities plus inventory/count/disposal; No. 15 (Comprehensive Budgeting) requires budget preparation, execution, adjustment and assessment. This article is current to 2026-11-10 and is a summary of public rules and page method, not procurement/finance/inventory advice; the company's demand, cost basis, contracts and systems control.
This article is for procurement, planning, finance, warehouse, production and website teams at equipment, electronics, automotive-parts, medical-device, hardware, chemical, packaging and export manufacturers in Changzhou and nearby. It covers how to write and accept a procurement order-quantity and price-break page. The usual gap is "unit price only, no holding cost, MOQ/packaging ignored, price-break overshoot, inventory/obsolescence/cash flow, supplier capacity/lead time, contract minimum volume", ending with a page that only says "centralised purchasing, volume discount", while inventory/cash/shortage still disagree.
Bigger is not always better: a lower unit price can be eaten by holding/storage/obsolescence/cash flow. Price breaks should compare total cost, not the discount alone. MOQ/packaging/lead time/safety stock/capacity are constraints, and contract minimum volume/rebate/cancellation must be explicit.
How does this page relate to quantity tolerance/MOQ, demand forecasting, inventory/safety stock, budget, supplier capacity and contract minimum-volume pages?
The order-quantity/price-break page answers "how much to buy at a time, which price tier, what total cost"; the quantity tolerance/MOQ page answers "measurement, over/under shipment, pack multiples, weighing, reconciliation"; the demand forecasting page answers "where the demand number comes from and how large the error is"; the material planning/shortage page answers "MRP/safety stock/kitting"; the budget page answers "limits/commitment/cash flow"; the supplier capacity page answers "reservation/ramp-up/allocation"; the exclusive/minimum-purchase page answers "minimum volume/take-or-pay". The order-quantity page is the main page for "lot size and price tier" and cannot be replaced by a quantity-tolerance page.
Common breaks: unit price only; no holding cost; MOQ/packaging ignored; price-break overshoot; inventory/obsolescence/cash flow; supplier capacity/lead time; contract minimum volume; no total-cost comparison. The page separates "inputs—EOQ—price breaks—constraints—total cost—contract—boundary" so procurement/planning/finance/warehouse/production share one vocabulary.
| Page | Question it answers | Key content | Cannot replace |
|---|---|---|---|
| Order quantity/price break | How much/which tier | EOQ, discounts, constraints, total cost | Quantity tolerance |
| Quantity tolerance/MOQ | Measurement/over-under/pack multiples | Tolerance, weighing, reconciliation | Order quantity |
| Demand forecasting | Demand number/error | Level, method, error | Lot-size decision |
| Material planning/inventory | MRP/safety stock/kitting | Parameters, kitting, shortage | Price-tier choice |
| Budget | Limits/commitment/cash flow | Budget, commitment, variance | Lot-size optimisation |
| Supplier capacity | Reservation/ramp-up/allocation | Reserved volume, ramp-up | Order quantity |
| Exclusive/minimum purchase | Minimum volume/take-or-pay | Minimum, gap, exit | Lot-size calculation |
Page relationships are editorial; the company's demand, cost basis, contracts and systems control.
How should EOQ inputs be sourced and accepted?
EOQ at minimum: annual demand D (forecast/history/contract, state basis), ordering cost per order S (procurement/logistics/inspection/system/labour), unit holding cost H (capital/storage/insurance/shrinkage/obsolescence, often unit price × holding rate), unit price/discount, lead time/safety stock. The formula EOQ=√(2DS/H) is a starting point, not the answer; inputs must be traceable, consistent and by category/supplier; demand volatility/seasonality/promotions handled separately. D is annualised demand, not "this order"; S/H must not be arbitrary, and H should include capital/storage/risk. Guideline No. 8 requires reasonable purchase dates/quantities, No. 15 requires consistent budget basis.
Acceptance checks: D source/basis; S composition; H composition/rate; price/discount; lead time/safety stock; category/supplier; sensitivity. Common gaps: arbitrary D; S freight only; H storage only; inconsistent basis; no sensitivity.
| Input | What to write | Evidence | Common gap |
|---|---|---|---|
| Annual demand D | Forecast/history/contract, basis, annualised | Forecast/contract | Arbitrary demand |
| Ordering cost S | Procurement/logistics/inspection/system/labour | Finance | Freight only |
| Holding cost H | Capital/storage/insurance/shrinkage/obsolescence | Finance/warehouse | Storage only |
| Price/discount | Price breaks, rebate, tax/currency | Quote/contract | Unit price only |
| Lead time/safety stock | Lead time, volatility, service level | Planning | Lead time ignored |
| Category/supplier | Calculate by category/supplier | Register | One-size-fits-all |
| Sensitivity | D/H/S ±, discount change | Model | Single point |
| Basis | Annual/monthly, tax, currency | Basis | Mixed |
Inputs/formula are editorial; the company's demand, finance and inventory basis control.
How should price breaks/quantity discounts be compared and accepted?
At minimum: list each tier's price/MOQ/rebate/payment/lead time; for each candidate quantity (EOQ, each break point, MOQ/pack multiple, capacity/storage limit) calculate total cost: purchase cost + ordering cost + holding cost + storage/handling + obsolescence/depreciation + capital tied up + tax/freight; compare "unit-price reduction" with "inventory/cash increase". Price breaks can cause "overshoot"; calculate incremental benefit/cost; rebates need conditions/timing/payment; when discounts are bundled with payment terms/lead time/minimum volume, unbundle them. Do not judge by unit price or discount rate alone; the lowest total cost subject to delivery/quality/capacity is optimal.
Acceptance checks: tiers/MOQ; candidate quantities; total-cost formula; incremental analysis; rebate; bundled conditions; constraints; sensitivity; conclusion. Common gaps: unit price only; overshoot; no obsolescence; rebate not received; no unbundling; no constraints.
| Item | What to write | Evidence | Common gap |
|---|---|---|---|
| Tiers/MOQ | Price tiers, MOQ, rebate | Quote | Unclear tiers |
| Candidate quantities | EOQ/break points/MOQ/upper limit | Calculation | EOQ only |
| Total cost | Purchase+ordering+holding+storage+obsolescence+capital | Model | Unit price only |
| Incremental analysis | Incremental benefit/cost | Calculation | Overshoot |
| Rebate | Conditions/timing/payment | Contract | Not received |
| Bundled conditions | Unbundle payment/lead time/minimum | Quote | Not unbundled |
| Constraints | Delivery/quality/capacity/storage | Planning | Ignored |
| Sensitivity/conclusion | Price/demand/holding-rate change | Model | Single point |
Price-break comparison is editorial; the quote, contract, finance and inventory basis control.
How do MOQ, packaging, lead time, safety stock and capacity constrain the quantity?
At minimum: MOQ/minimum pack/full pallet/full carton, supplier lead time/minimum batch, capacity/changeover, storage/racking/temperature/humidity, safety stock/service level, shelf life/batch, capital/credit. Actual order quantity = max(EOQ, MOQ, pack multiple, replenishment need), then constrained by capacity/storage/capital; do not compress shelf life/obsolescence to fill a pallet. When lead time is long/volatile, safety stock and lot size should move together; when supplier capacity is tight, lot size/allocation/reservation should be negotiated together. Guideline No. 8 requires reasonable purchase dates/quantities; No. 7 requires procurement plans/contracts/acceptance.
Acceptance checks: MOQ/packaging; lead time/capacity; storage; safety stock; shelf life; capital; actual quantity; linkage. Common gaps: MOQ ignored; pallet filling; shelf-life exceeded; safety stock disconnected; capacity ignored.
| Constraint | What to write | Evidence | Common gap |
|---|---|---|---|
| MOQ/packaging | MOQ, carton/pallet/multiple | Quote | MOQ ignored |
| Lead time/capacity | Lead time, minimum batch, changeover, capacity | Planning | Capacity ignored |
| Storage | Racking/area/temperature/load | Warehouse | No space |
| Safety stock | Service level/volatility/lead time | Planning | Disconnected |
| Shelf life/batch | Shelf life, batch, FIFO | Quality | Expired |
| Capital/credit | Cash/credit/payment terms | Finance | Cash tied |
| Actual quantity | max(EOQ,MOQ,pack,replenishment) | Calculation | Arbitrary |
| Linkage | Lot size/safety stock/capacity together | Planning | Siloed |
The constraint list is editorial; supplier, warehouse, planning and finance facts control.
How should contracts and supplier commitments be accepted?
The contract should at least state: price tier/MOQ/rebate conditions, minimum purchase/take-or-pay, delivery/partial/call-off, packaging/labelling, cancellation/quantity change/extension, quality/acceptance, payment/terms, price adjustment, inventory/consignment/VMI, capacity reservation, breach liability. Minimum volume/exclusivity should match actual demand and not lock the company in for a discount; rebates need calculation/settlement/payment; cancellation/change needs a window/fee; partial/call-off needs trigger/lead time. Guideline No. 7 requires contracts/acceptance/payment/records, No. 16 requires change/breach/archive.
Acceptance checks: price tier/rebate; minimum volume; delivery/partial; packaging; cancellation/change; quality/payment; price adjustment; consignment/VMI; capacity; breach. Common gaps: unclear rebate; excessive minimum; no cancellation window; no lead time; no breach.
| Clause | What to write | Evidence | Common gap |
|---|---|---|---|
| Price tier/rebate | Tiers, MOQ, rebate conditions/settlement | Contract | Unclear rebate |
| Minimum volume | Minimum purchase/take-or-pay/gap | Contract | Locked in |
| Delivery/partial | Delivery, partial, call-off, lead time | Contract | No lead time |
| Packaging/labels | Packaging, labels, pallet, marks | Contract | No standard |
| Cancellation/change | Window, fee, extension | Contract | No window |
| Quality/payment | Acceptance, warranty, terms | Contract | No acceptance |
| Price adjustment/consignment | Adjustment mechanism, consignment/VMI | Contract | No mechanism |
| Capacity/breach | Reservation, breach, compensation | Contract | No breach |
Contract clauses are editorial; the company's contract template, legal review and contracts control.
How should total cost, cash flow and inventory risk be accepted?
Total cost at minimum: purchase price/discount, ordering/logistics/inspection, holding (capital/storage/insurance/shrinkage/obsolescence), shortage/expedite, quality/returns, tax/FX; cash flow at minimum: prepayment/terms/inventory tied up/rebate receipt; inventory risk at minimum: shelf life/batch/obsolescence/depreciation/storage limit. Calculate "incremental", not "total": the extra cash/storage/obsolescence for the next tier vs the unit-price saving; include shortage/expedite cost. Guideline No. 15 requires budget/execution/analysis, No. 8 requires inventory/count/disposal; total-cost conclusions need finance/warehouse/planning confirmation.
Acceptance checks: cost items; cash flow; inventory risk; increment; shortage/expedite; finance/warehouse confirmation; sensitivity. Common gaps: purchase price only; no cash; no obsolescence; unclear increment; no confirmation.
| Item | What to write | Evidence | Common gap |
|---|---|---|---|
| Purchase price/discount | Tier, rebate, tax/FX | Quote | Unit price only |
| Ordering/logistics/inspection | Order, transport, customs, inspection | Finance | Freight missing |
| Holding cost | Capital/storage/insurance/shrinkage/obsolescence | Finance/warehouse | Storage only |
| Shortage/expedite | Line stop/expedite/alternate | Planning | Not counted |
| Quality/returns | Defects/returns/claims | Quality | Not counted |
| Cash flow | Prepayment/terms/inventory/rebate | Finance | No cash |
| Inventory risk | Shelf life/batch/obsolescence/depreciation | Warehouse | No obsolescence |
| Increment/confirmation | Incremental benefit/cost, finance/warehouse confirmation | Model | Total only |
Total cost/cash flow are editorial; the company's finance, warehouse and planning basis control.
How should the website page be written, and what must not be published?
Suggested sections: (1) positioning/relationship with quantity tolerance, forecasting, inventory, budget; (2) EOQ inputs/formula; (3) price-break/total-cost comparison; (4) MOQ/packaging/lead time/capacity constraints; (5) contract/rebate/minimum volume; (6) total cost/cash flow/risk; (7) contact window/update date. The public page explains "method, inputs, formula, constraints, total cost, boundary" and does not publish specific prices/discounts/suppliers/contracts, cost structure, inventory/cash data or system screenshots. The English page should use consistent terms (order quantity, EOQ, quantity discount, price break, MOQ, holding cost, ordering cost, total cost, cash flow, obsolescence) and state the cut-off date.
Do not turn the page into "volume discount/lowest price", and do not claim "zero inventory/zero shortage" if they cannot hold together. The page should let procurement/planning/finance/warehouse/production judge "how much to buy, which tier, what total cost, where the risk is", without exposing prices and contracts.
Go-live acceptance checklist
Ten checks: D/S/H inputs; EOQ; price breaks/total cost; MOQ/packaging; lead time/safety stock/capacity; contract/rebate/minimum; cash flow/inventory risk; sensitivity; governance/approval; public boundary. Each needs evidence and a review date. The pass standard is not "there is an EOQ formula", but that procurement/planning/finance/warehouse/production can judge quantity, price tier, total cost and risk.
Before go-live, run a tabletop exercise on a real (redacted) category: demand → EOQ → price breaks → MOQ/packaging → total cost → contract → order, simulating "overshoot", "storage limit", "cash tight" and "supplier capacity tight", to see whether the page and process work.
| Check | Pass standard | Evidence | If failed |
|---|---|---|---|
| D/S/H inputs | Source/basis/composition/sensitivity | Model | Add inputs |
| EOQ | Formula/calculation/category | Calculation | Add calculation |
| Price breaks/total cost | Tiers/increment/total cost | Model | Add comparison |
| MOQ/packaging | MOQ/carton/pallet/multiple | Quote | Add constraints |
| Lead time/inventory/capacity | Lead time/safety stock/storage/capacity | Planning | Add linkage |
| Contract/rebate | Price tier/rebate/minimum/cancellation | Contract | Add clauses |
| Cash flow/risk | Prepayment/terms/obsolescence/shelf life | Finance | Add calculation |
| Sensitivity | Price/demand/holding-rate change | Model | Add sensitivity |
| Governance/approval | Threshold/approval/review | Policy | Add governance |
| Public boundary | No prices/discounts/suppliers | Page/permissions | Take down |
The acceptance list is editorial; the company's demand, finance, inventory and contracts control.
Who should read it, who should not, and what decisions does it support?
For procurement, planning, finance, warehouse, production and website teams at equipment, electronics, automotive-parts, medical-device, hardware, chemical, packaging and export manufacturers in Changzhou and nearby; also for companies handling "unit price only, no holding cost, MOQ/packaging ignored, price-break overshoot, inventory/obsolescence/cash flow". Not for teams without lot-size/inventory management, or that want one page to replace procurement/finance/inventory advice.
Read it if: building an order-quantity/price-break page; only "volume discount"; unit price only; no holding cost; MOQ ignored; overshoot; no inventory/cash. Not suitable if: treating "discount" as "cost reduction"; "EOQ" as "the answer"; "lowest price" as "lowest total cost"; "page" as "procurement/finance conclusion". Supports: inputs/EOQ, price breaks/total cost, MOQ/constraints, contract/rebate, cash flow/risk and public-boundary self-checks.
FAQ
What is the difference between the order-quantity/price-break page and the quantity-tolerance/MOQ page?
The quantity-tolerance/MOQ page answers measurement, over/under shipment, pack multiples, weighing and reconciliation; the order-quantity/price-break page answers "how much to buy at a time, which price tier, what total cost". MOQ is one constraint in the latter, but the questions differ: one is "is the quantity correct", the other is "is the lot size/price tier optimal".
How is EOQ calculated and sourced?
EOQ=√(2DS/H): D annual demand (forecast/history/contract, annualised, same basis), S ordering cost per order (procurement/logistics/inspection/system/labour), H unit holding cost (capital/storage/insurance/shrinkage/obsolescence; unit price × holding rate). EOQ is a starting point; adjust by category/supplier, volatility/seasonality, discounts/constraints and run sensitivity.
How should price breaks be compared without losing money?
List each tier's price/MOQ/rebate/payment/lead time; for candidate quantities (EOQ, break points, MOQ/packaging, capacity/storage limits) calculate total cost: purchase + ordering + holding + storage + obsolescence + capital + tax/freight; run incremental analysis (extra benefit vs extra cost), unbundle payment/lead time/minimum volume; the lowest total cost subject to delivery/quality/capacity is optimal.
How do MOQ/packaging/lead time constrain the quantity?
Actual order quantity = max(EOQ, MOQ, pack multiple, replenishment need), then constrained by capacity/storage/capital/shelf life; do not fill a pallet beyond shelf life/obsolescence. When lead time is long/volatile, safety stock and lot size move together; when capacity is tight, lot size/allocation/reservation are negotiated together. Guideline No. 8 requires reasonable purchase dates/quantities.
What should the contract and rebate cover?
Price tiers/MOQ/rebate conditions and settlement, minimum purchase/take-or-pay, delivery/partial/call-off, packaging/labels, cancellation/quantity change window/fee, quality/acceptance, payment/terms, price adjustment, consignment/VMI, capacity reservation, breach. Minimum volume should match demand, not lock the company in for a discount; rebates need calculation/timing/payment; cancellation/change needs a window.
How should total cost and cash flow be calculated?
Total cost includes purchase price/discount, ordering/logistics/inspection, holding (capital/storage/insurance/shrinkage/obsolescence), shortage/expedite, quality/returns, tax/FX; cash flow covers prepayment/terms/inventory tied up/rebate receipt; inventory risk covers shelf life/batch/obsolescence/depreciation/storage limit. Calculate increment, not total; confirm with finance/warehouse/planning.
Should the website publish prices/discounts/suppliers?
Usually not specific prices/discounts/suppliers/contracts, cost structure, inventory/cash data or system screenshots; it can publish the lot-size method, EOQ inputs/formula, price-break comparison logic, MOQ/constraints, total-cost/cash-flow framework and update date. The goal is to let customers/suppliers understand the procurement method, not to disclose price positions.
One-sentence takeaway
The procurement order-quantity and price-break page on a Changzhou manufacturer's website is not about "volume discount"; it is about turning D/S/H inputs, EOQ, price breaks/total cost, MOQ/packaging/lead-time/capacity constraints, contract/rebate/minimum volume, cash flow/inventory risk, sensitivity, governance and public boundaries into a checkable list, so procurement/planning/finance/warehouse/production can judge how much to buy, which tier, what total cost and where the risk is.
Research method and limitations
This article is a summary of public rules and page method, not procurement/finance/inventory advice. It uses no unpublished company prices/discounts/suppliers/contracts, cost structure, inventory/cash data, system screenshots or undisclosed disputes; the tables and acceptance items are editorial and not procurement/finance/inventory conclusions. MOF Internal Control Application Guideline No. 7 (Procurement), No. 8 (Asset Management) and No. 15 (Comprehensive Budgeting) are public sources; the company's demand, cost basis, contracts and systems control. This article does not decide whether any specific lot size/price is reasonable, and does not promise "lowest price/zero inventory"; companies should set them item by item based on category, supplier, demand and finance basis.
Sources and basis
Current to 2026-11-10; the official pages below control.
- MOF Internal Control Application Guideline No. 7 — Procurement (Cai Kuai [2010] No. 11): Linyi Finance Bureau. Procurement plans, requisitions, supplier selection, price, contracts, acceptance, payment and records; used for lot-size decisions/contracts/acceptance.
- MOF Internal Control Application Guideline No. 8 — Asset Management (Cai Kuai [2010] No. 11): Linyi Finance Bureau. Reasonable determination of inventory purchase dates and quantities, inventory/count/disposal; used for lot size/inventory/obsolescence.
- MOF Internal Control Application Guideline No. 15 — Comprehensive Budgeting (Cai Kuai [2010] No. 11): Linyi Finance Bureau. Budget preparation, execution, adjustment and assessment; used for cash flow/budget/total cost.