Why do Heavy-Duty Protective Case quotes vary so much?

Answer: The spread sits in resin weight, hardware source, the die and whether tooling is paid off. A quote 20 percent under the average usually means a thinner wall.

Can we order only 200 units?

Answer: Yes, but buy the tooling: CNY 190 each at 200 units against CNY 38 at 1,000.

Is a 35-day lead time realistic?

Answer: Only when the mould exists, hardware is in stock and the colour is standard. A new tool runs about 50 days.

Is the sample fee refundable?

Answer: It is negotiable. Many suppliers refund the trial-shot fee once the first order reaches 500 units.

Should lifting points be inspected separately?

Answer: Yes. They carry load, so pull 10 percent of the batch at 1.5 times the rating for 10 minutes and log the deformation.

Heavy-Duty Protective Case: Pricing, MOQ and Lead Time

Quick answer: A Heavy-Duty Protective Case quote has four blocks: shell, hardware, insert and tooling. Order quantity decides how tooling is amortised, and lead time should be quoted as milestones. Fix those fields and bids become comparable.

How a Heavy-Duty Protective Case Quote Is Built
MOQ and How Tooling Cost Is Amortised
Mapping the Lead Time Milestones
Samples and First-Article Approval
Surcharges Payment Terms and Inspection
FAQ

1. How a Heavy-Duty Protective Case Quote Is Built

A lump-sum price hides what matters. Split the Heavy-Duty Protective Case quote into four blocks: shell, hardware, insert and tooling. A 620 × 450 × 320 mm rotomoulded shell with 4.5 mm walls takes 9.8 kg of resin, and the four blocks land near 52, 18, 20 and 10 percent of the total.

Cost block	Pricing basis	Typical share	Field to fix
Shell	Resin weight plus machine time	50 to 55 percent	Grade, wall, colour, net weight
Hardware	Per piece	15 to 20 percent	Latch count, material, salt-spray hours
Insert	Area plus cutting die	18 to 22 percent	Density, thickness, cavities, die owner
Tooling	One-off or amortised	8 to 12 percent	Cost, ownership, shot life

Two quotes for one drawing often differ by 20 percent, mostly on wall thickness and hardware. Dropping from 4.5 mm to 3.8 mm saves 0.9 kg of resin and 7 percent of price.

2. MOQ and How Tooling Cost Is Amortised

The MOQ is where batch size meets tooling amortisation. A rotomould for a Heavy-Duty Protective Case costs about CNY 38,000, an injection mould CNY 80,000 to 150,000. Either own the mould or spread it into the unit price.

Heavy-Duty Protective Case: a grey case on a rain-soaked timber jetty, two latches and a centre handle, a round valve on the side

CNY 38,000 over 200 units adds CNY 190 each; over 1,000 units it adds CNY 38. Below 300 units, buy the tool; above 1,000, amortise it.

Order quantity	Tooling route	Added per unit	Effect on lead time
100 units	Buy outright	CNY 380	Separate run, 5 days longer
300 units	Buy or part-share	CNY 127	Can join a normal run
1,000 units	Amortise	CNY 38	Slot can be booked

Five clauses belong on paper: ownership, storage, moving conditions, shot life and maintenance. A rotomould lasts about 8,000 shots before wall thickness drifts.

3. Mapping the Lead Time Milestones

One number binds nobody; milestones do. Drawing sign-off 3 days, tooling 15, samples 7, first-article approval 3, production 20, dispatch 5: that is 53 days for orders under 1,000 units with hardware in stock.

Three things stretch the plan: hardware delivery, masterbatch and the insert die. Bought-in latches run past 25 days, and two extra cavities mean a new die and 4 more days.

The start date matters more: production begins with the signed first article. Peak season adds 10 days to a Heavy-Duty Protective Case order of the same size.

4. Samples and First-Article Approval

Samples come in three rounds. The prototype takes 7 days and proves outline, lid feel and handle position. The trial shot carries full hardware, where latch effort and gasket compression get measured. The first article comes at random from the line.

Heavy-Duty Protective Case: a yellow case strapped to a ribbed truck floor with two black straps, dock water behind

Approve with a checklist. Measure wall thickness, record latch effort (60 to 90 N is common), confirm gasket compression at 30 to 40 percent, and check the insert for lift.

Sign-off freezes the process: within 72 hours the supplier locks the material lot, mould temperature and masterbatch ratio.

5. Surcharges Payment Terms and Inspection

Surcharges sit outside the quoted price. Lifting hardware adds CNY 60 to 110 per unit; 304 stainless adds 8 to 15 percent; each extra millimetre of wall adds 2.2 kg of resin.

Surcharge	Typical range	Trigger
Lifting hardware	CNY 60 to 110 per unit	Rings, slots or forklift pockets
Stainless hardware	8 to 15 percent	Salt spray beyond 480 hours
Thicker wall	Priced by resin weight	2.2 kg per unit per millimetre

Payment follows risk: 30 percent deposit, 60 percent against the bill of lading copy, 10 percent after inspection. Inspection runs at AQL 2.5, with a 10-minute pull at 1.5 times the rated load on lifting points.

Packing belongs in the annex: 110 to 130 units in a 40-foot high-cube. Loading efficiency drives freight, so compare a Heavy-Duty Protective Case price at destination.

Conclusion

Procurement means breaking one price into four comparable blocks, then writing quantity, tooling ownership, milestones and surcharges into the contract. The quoted figure is only the opening position; amortisation decides the real cost. Handled that way, a Heavy-Duty Protective Case purchase stops being a contest over one number.

This article discusses only the container (case body) side of specifications and design intent, and does not cover any handling, loading or use of the contents.