Industrial sourcing · China to Europe

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Buyer guide · Plastics & molding

Blow molding machine from China

An extrusion blow molding machine lives or dies on how evenly it lays plastic around your container, and that depends on the head and parison control far more than on the frame the quote shows.

Ask about this machine ↗Where the numbers come from

Written and listings checked 30 September 2026. Every figure on this page names its source.

What you are actually comparing.

Two quotes, one machine name

What hides inside the price

Continuous head or accumulator head

Small bottles are made from a parison extruded without stopping. Drums and large tanks need an accumulator head that pushes a heavy parison out in one stroke. Ask which one the quote is for.

Parison wall control

Programming the parison thickness along its length puts material where the container needs strength, such as corners and handles. Ask how many control points the controller has, or whether it has none.

Stations and cavities

A single station makes one set of parts per cycle; a double station alternates two molds so one cools while the other forms. Output roughly follows the station and cavity count.

Layers

Fuel, agrochemical and some food containers need a co-extruded barrier or a see-through view stripe. That means extra extruders on the head, not a setting.

Deflashing and leak test

Every container comes out with flash at neck and base. Ask whether trimming, flash return and an inline leak tester are in the price or left to your operators.

Before you ask for a price.

Send these with the enquiry. Without them, any number a factory gives you is a guess dressed as a quotation.

Container drawing with volume, weight, handle and neck design.
Resin: HDPE, PP or PVC, and whether regrind will be mixed in.
Layers needed, including barrier or view stripe.
Containers per hour, and how many molds you need at the start.
Power supply, and whether chiller and compressor are yours or the supplier's.

Turn the claim into a demonstration.

Require this	A pass looks like
Run your mold, or one of similar size, for a counted hour.	Output and container weight stay inside the values written in the offer, with rejects counted.
Cut containers and measure wall thickness at the handle, corners and base.	No point below the minimum wall on your drawing.
Leak-test and drop-test containers from the counted run.	Every tested container passes your filling line's leak and drop criteria.

The documents that must arrive with it.

EU Declaration of Conformity naming 2006/42/EC, or Regulation (EU) 2023/1230 for delivery from 20 January 2027, plus 2014/35/EU and 2014/30/EU.
Risk assessment and standards list. Ask whether EN 422, the safety standard for blow molding machines, was applied.
Hydraulic, electrical and pneumatic diagrams, and the parison program for each mold.

The one people forget. The parison program. It is the recipe that makes the container, and it often stays on the factory's test machine.

When this is the wrong machine.

Buy something else if

Named, not hedged

You make clear PET drinks bottles.

A PET bottle blowing machine, which stretch-blows preforms and gives clarity and strength an extrusion parison does not.

Your part is a large open or complex tank made in low volumes.

A rotational molding machine, where molds cost less and wall thickness at corners is easier to keep.

Where the numbers come from.

We name the kind of source, how many and when, and never the factory. Listed prices are asking prices, not landed cost. Where we do not hold a fact we say so: that is a GAP, not an estimate.

Listings · 12Twelve marketplace listings for extrusion blow molding machines, checked September 2026, advertised FOB asking prices from US$3,000 to US$131,000, the top one a second-hand machine. Stated container sizes ran from 1 liter to 60 liters. Asking prices, not landed cost.
Listings · 2Two of the listings found under extrusion blow molding, checked September 2026, described PET water bottle machines, so the search term alone does not sort the two processes.
GAPGAP - no supplier quotations logged for this machine yet. Three to five quotations for one configuration would give a real price spread.

Related machines.

PET bottle blowing machine. Pick it for clear PET drinks bottles blown from preforms.
Rotational molding machine. Pick it for large tanks in low volumes, where a cheaper mold matters more than cycle time.

Every machine we source in this area is on the Plastics & molding page. How a project runs, stage by stage, is on how it works, and what it costs is on pricing.

Straight answers

Questions buyers ask about this machine.

What is the best blow molding machine from China?+

One whose head type, station count and parison control match your container and volume. A machine that makes 5 liter jerrycans well can struggle on a 25 liter drum.

Blow molding machine sourcing guide: where do I start?+

Start from the container drawing and resin, not a catalogue. Send them to several suppliers and compare which head and control each one proposes, then compare cost.

What should a blow molding machine factory audit check?+

Whether heads and molds are machined in-house, how parison programs are written and tested, and whether each machine runs a real mold before it ships.

What CE documentation does a blow molding machine need?+

A Declaration of Conformity with the serial number, the technical file behind it and a manual in your language. The mark on a brochure is not evidence.

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