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Your program starts on the plant floor.

Forward, Founder & CEO of Gulfstone
ForwardFounder & CEO

Your direct line to the factory floor.

We're not a trading desk — we run the plant.

One accountable partner for your off-grid water heater program: our own production floor in Shunde, Foshan, with engineering and after-sales in the same building.

That means one reading of your spec from CAD to container — drawings, tooling, QC and certification handled by the team that builds the unit.

98%

repeat order rate — the programs that ship with us come back.

48h

engineering response — drawings and a custom list, not a vague unit price.

1

accountable partner — CAD through container, not a dozen fragmented vendors.

+86 158 1369 5321
Olivia.huang@gulfstonegroup.com
Room 1103, Building 6, Jicheng Sci-Tech Innovation Park, No. 25 Sanle East Road, Shunjiang Community, Beijiao Town, Shunde District, Foshan, Guangdong, China
1995Founded in Shunde
6Automatic lines
24Detection platforms · 800 pcs/shift

Before you write

What buyers ask first

The questions that shape a first reply — MOQ, materials, freight, QC, lead time and certification. Answered here so your inquiry starts further along.

01What is the minimum order quantity (MOQ) for a private-label program?
A platform SKU — our unit, your branding and pack — starts at a low per-SKU MOQ, so a first order does not have to fill a container. A full private mold steps up with the program. Tell us your estimated annual volume and we scope the starting point and the stages to grow it.
02What materials and customization (OEM / ODM) do you support?
Housings in PA66+GF, propane / LPG gas paths, DC 12V ignition, and constant-temperature options, across portable and RV formats. OEM builds to your drawing and specification; ODM starts from one of our reference platforms and adapts it. Private label and exclusive tooling are both available.
03How do you protect units in transit and keep freight down?
Every lot leaves the line packed and container-ready, and mixed-container load plans combine your models and volumes into one load — so you pay for the space you use, not a separate container per SKU. Send your SKU mix and we confirm what fits.
04What is your quality inspection standard? Can third-party inspection be arranged?
One documented standard across the owned Shunde plant, verified by in-house checks on every lot — 24 fully-automatic detection platforms running to 800 pcs a shift. Third-party inspection — SGS, TÜV or your own agent — is welcome, and a third-party audit of the plant is already on file.
05When does the lead time start?
The clock starts at sample approval and spec freeze, not at first contact. Sampling runs about 10–18 days after line-plan approval; from there the lot ships container-ready on the date you sign. The full timeline is confirmed with your line plan.
06Which markets can you certify for?
Australia / NZ (AGA, AS 2652), North America (CSA, ANSI Z21.10.3) and Europe / UK (CE, EN 26), plus RoHS / REACH where your market requires it. The certification samples and test evidence are built in-house, and the file pack ships with the container.
07Who owns the tooling and IP?
You do. The NDA is signed before the first drawing is shared — not after the tooling order — and tooling paid for under the program is tagged to your account. Your design, brand and specification stay yours.