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The example below is a single-cavity interior trim tool: 1.2738 cavity and core, one hot runner drop, one texture, shot weight 180 g, 300,000 pieces a year. It is a mid-size tool by the standards of the Automobile Molds catalogue — not a bumper, not a clip — which makes it the most useful example for comparison. Every line is what a real quote shows when the supplier is asked to break it down.
Eleven lines: design 5.5%, steel 17.4%, standard parts 7.2%, hot runner 11.9%, CNC 20.9%, EDM 13.4%, heat treatment 3.2%, polish and texture 6.2%, tryout 8.9%, assembly 2.8%, freight 2.6%.
| # | Line item | Amount | Share | What it covers |
| 1 | Design, DFM, flow analysis | $2,600 | 5.5% | 3D review, gate layout, cooling layout, mould flow report |
| 2 | Cavity and core steel | $8,200 | 17.4% | 1.2738 blocks, mill certificates, UT test |
| 3 | Standard parts | $3,400 | 7.2% | Guide pins, ejector pins, springs, water fittings, screws |
| 4 | Hot runner / gate system | $5,600 | 11.9% | One valve gate drop, controller, cables |
| 5 | CNC roughing and finishing | $9,800 | 20.9% | 3-axis roughing, 5-axis finishing, fixtures |
| 6 | EDM and wire cutting | $6,300 | 13.4% | Sinker EDM for ribs and shut-offs, wire for inserts |
| 7 | Heat treatment and surface | $1,500 | 3.2% | Nitriding, stress relief, hardness reports |
| 8 | Polishing and texture | $2,900 | 6.2% | Polish to SPI grade, acid etch to VDI grade |
| 9 | Fitting, T0/T1 tryout, correction | $4,200 | 8.9% | Assembly, first shot, dimensional report, one correction loop |
| 10 | Assembly, water test, packing | $1,300 | 2.8% | Leak test, spare parts kit, export packing |
| 11 | Freight and documents | $1,200 | 2.6% | Sea freight to port, commercial invoice, packing list |
Three lines carry the real information. Steel is 17%, so a supplier who "upgrades" to 718H adds about $1,500 — not the $6,000 buyers sometimes assume. Cutting and EDM together are 34%, which is why a tool with deep ribs, tight tolerances or many slides costs more even when the steel block is the same size. Tryout is 9%, and it is the line most often quietly cut to hit a target price.
The last one matters most. A quote that carries $1,200 of tryout instead of $4,200 is not offering a discount — it is planning to send you a tool that has been assembled but not corrected. Jusheng prices that line at $4,200 and states it as T0 plus one T1 with a CMM report, because a visible-surface part without a correction loop is not finished. Ask what the line includes: one T0 and one T1 is the minimum for an interior part.
Quote structure travels across part sizes almost unchanged. A Home Appliance Parts tool at $22,000 shows the same eleven lines with a smaller steel block and a lower tryout line, and the percentages land within a few points.
✅ Bottom line: Compare quotes line by line; steel is 17% and tryout is 9%, and those are the two lines that get cut to win a price.
The trial loop and the exclusions: T2 and T3 cost 1,400–2,600 each, and texture sampling, spare inserts, on-site commissioning and PPAP documentation are usually outside the $47,000.
| Commonly excluded | Typical cost | When it hits |
| Texture sample / grain trial | 600–1,500 | Before etching, if the grain is new |
| T2 / T3 tryout and correction | 1,400–2,600 each | After the first dimensional report |
| Design changes after freeze | 800–4,000 | Any time the part data moves |
| Spare insert set (hot half) | 12–18% of tool price | At order, or at first wear |
| On-site commissioning | 300–600 per day plus travel | At installation |
| PPAP / IMDS documentation | 500–1,500 | Before production release |
The trial loop is where budgets actually break. A first shot that meets the dimensional report is the exception on a visible-surface part; two correction loops are normal, and each one consumes press time, a technician and sometimes a re-cut insert. A supplier who quotes T0–T3 openly at 1,400–2,600 per loop is being more honest than one who quotes a single tryout and invoices change orders later.
Payment structure should mirror the lines. A normal schedule in this industry is 30% at order, 30% at steel and rough machining, 30% before shipment, 10% after the dimensional report is accepted, and Zhejiang Jusheng Intelligent Technology Co., Ltd. quotes on that basis unless the buyer's finance team requires otherwise. A supplier asking for 50% before design release is asking you to fund their cash flow, not their steel.
Two things are worth checking before signing. Ask for the steel mill certificate number against line 2, and ask whether line 7 includes nitriding of the cavity and core or only stress relief — the difference shows up as tool life, not as price. A $47,000 quote that skips nitriding is a $47,000 tool that will need polishing at 150,000 shots.
The same line logic applies to Home appliance molds, where a $30,000 washing-machine part tool carries the identical structure; the difference is usually in the standard-parts share, which rises as the tool gets smaller.
✅ Bottom line: The number on the PO is not the project cost; add two trial loops and the excluded documentation before comparing suppliers.
**Q: Is $47,000 a fair price for a single-cavity interior trim mold?** A: For 1.2738, one drop, one texture and a 180 g shot, yes. **Jusheng** quotes $42,000–$55,000 on that specification depending on polish grade and trial count. Below $40,000 something in lines 2, 7 or 9 has been reduced, and the quote should say which.
Q: Why do quotes for the same drawing differ by 30% or more? A: Usually three lines: steel grade and mill source, whether the hot runner is included or buyer-supplied, and how many trial loops are priced in. A fourth factor is polish grade, which can move 4–6% on a visible part.
Q: What should be in the quote package besides the price? A: Steel certificates, a DFM report, the flow analysis summary, the trial plan with T0–T3 dates, the spare parts list, and warranty terms. A quote without a trial plan is a price, not an offer.
Send the part drawing, annual volume, steel preference and texture specification, and Jusheng returns a quote broken into the eleven lines above, with the trial plan and exclusions stated, within three working days. OEM and ODM programs are quoted with the steel certificate and the DFM report attached, so the price can be checked against the content. Ask for the breakdown before you compare totals — that is the only comparison that means anything.
Mobile: +86 13516880625
Email: info@zjjsmould.com
Website:www.zjjsmould.com
January 07, 2027
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January 07, 2027
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.