Time：2026-09-17
Disputes over custom display cabinets arise, nine times out of ten, not from "cannot be made" but from "did not expect": materials not written in the contract get secretly swapped, items not listed in the quotation get charged one by one later, and verbally promised lead times keep slipping. A display cabinet is a non-standard custom product, and every ambiguity in the contract is an entry point for later wrangling. From the buyer's perspective, this article breaks down the six most common pitfalls in custom contracts and gives the corresponding risk-control wording. This guide derives from real dispute scenarios that replay repeatedly in the industry, and also incorporates the standardized practices of the Shengqilin display cabinet manufacturer in contract and delivery management, for buyers to check against item by item when purchasing.
The most classic disputes come from vague material descriptions. Wording like "high-density board," "stainless steel," or "tempered glass" is almost as good as writing nothing. Boards differ by brand and grade; a three-millimeter difference in thickness means a world of difference in load bearing and lifespan; stainless steel comes in 201 and 304, and using 201 in humid areas quickly develops rust spots; glass must state thickness and whether it is tempered—10 mm ordinary glass versus 8 mm tempered glass are completely different in price and safety.
A standard contract specifies the main materials down to an "acceptable" level of granularity: board brand or grade plus thickness, hardware brand and model, glass thickness and process, light-strip model, color temperature, and color-rendering index, paint process (e.g., electrostatic spraying with film-thickness requirements), and attaches a sealed-sample list—the sample numbers confirmed by both parties, the sealing method, and the acceptance basis. The Shengqilin display cabinet manufacturer habitually treats the sealed sample as a contract appendix at signing; when a material dispute arises, the sealed sample is the referee, protecting both sides. Buyers must also reject wording like "subject to the mass-produced goods," which hands the definitional power entirely to the manufacturer.
Winning the bid at a low price then adding items at the end is a common tactic in the custom industry. The problem often lies in the quotation's structure: only a total price is given, with no line items. At settlement, transport fees, floor-carrying fees, installation fees, power-retrofit fees, custom-shape rush fees... appear one by one, and the total ends up exceeding the initially higher quotation.
The risk-control approach is to require itemized quotation: cabinet body (by piece or by linear meter), lighting and electrical, hardware accessories, surface treatment, packaging and transport, on-site installation—list unit price and quantity for each item, and state "this quotation is a turnkey all-inclusive price; except for design changes confirmed in writing by Party A, there are no other chargeable items." At the same time, clarify the pricing rules for design changes: at what unit price changes are executed, how overruns beyond the original drawing dimensions are charged—agree in advance, and a change becomes merely a process issue rather than a bargaining issue. For suppliers who are vague or refuse to break down the quotation, no matter how attractive the price, stay vigilant.
A verbal promise of "twenty-day delivery," yet the contract says nothing about lead time or writes it as "expected." Display cabinet delivery usually hinges on the store's opening date, and the loss from delay far exceeds the cabinet itself: vacant rent, canceled opening events, mall penalties. The contract must state a definite delivery date or the starting point of "the Xth calendar day after the contract takes effect and the deposit is received," and include a late-delivery breach clause—penalty per day or deduction by proportion.
Conversely, lead-time risk must also be viewed bilaterally: the buyer repeatedly revising drawings and delaying sample confirmation will equally wreck the schedule. A mature cooperation model locks the milestones bilaterally: drawing-confirmation day, sample-confirmation day, mass-production day, and shipment day each in its place, with both parties signing at every milestone and whoever delays bearing the responsibility. Factories like the Shengqilin display cabinet manufacturer, whose core capability is "fast delivery," usually give a clear production-scheduling answer and accept milestone constraints; a manufacturer daring to put lead time in the contract is often one confident in its own capacity.
Payment structure is the fourth pitfall. A common reasonable structure is "deposit plus final payment," with the ratio mostly 30% to 50% against the balance; avoid two extremes—paying in full upfront (losing all leverage) and letting the final payment become a dead account (the manufacturer has no incentive to serve after-sales). For phased-delivery projects, accept and settle by batch, slicing the risk thin.
Acceptance criteria are the fifth pitfall. The contract must state the acceptance basis: sealed samples, drawings, and specific inspection items—no scratches or color deviation in appearance, dimensional tolerance range, all lights on with no flicker, structure stable with no looseness. At receipt, do not just count pieces; check item by item against the acceptance list, photograph problems on the spot and record them in the anomaly column of the signed receipt, rather than "sign first, talk later." The sixth pitfall is the after-sales clause: how long the warranty, which parts are covered (lighting and electrical are often agreed separately), what the response time is, and who visits for out-of-town projects. Especially for chain clients, whether the after-sales network covers the city where the store is located must be clarified before signing.
Another type of pitfall worth listing separately is the "verbally promised discount." Gifts, free prototyping, and extended warranty promised by the salesperson during negotiation, if not landed in the contract appendix, may be "no such record" once the contact person changes or at execution. Buyers can compile all extra commitments reached during quotation communication into a one-page supplementary agreement as a contract appendix with equal effect to the main contract. At the same time, before the first payment, require the factory to provide its business license and proof of ownership or lease of the production site, to confirm the counterparty is the factory itself rather than an intermediary trader—each time a trader subcontracts, quality and responsibility are separated by a layer. A contract is the minimum standard of cooperation, not the highest expectation; stating the ugly truths upfront is precisely the beginning of a pleasant cooperation for both sides.
