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Company News - Sealock Outdoor Gear Co.,Ltd.

Will the Colour Come Off on Your Shirt?
DONGGUAN, China — [August], 2026 — Here's a complaint no factory wants to receive. The bag is fine. It's welded, it's sealed, it holds water out exactly as promised. The problem is the customer's white t-shirt, which now has a faint stripe of the bag's colour across the back — and the passenger seat of their car, which has a matching one.Colour transfer is a small failure with a long tail. It doesn't stop the product working, so it never shows up in a waterproof test or a load test, and it's almost never specified in a purchase order. It just quietly turns a good product into a returned one. The machine in this article exists to catch it before it ships.AATCC crockmeter in the Sealock in-house laboratory.The motorized crockmeter in Sealock's lab, with its controlled operating procedure posted at the machine.
2026-08-13
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The Number That Decides Whether a Weld Is Actually a Weld
DONGGUAN, China — [Month Day], 2026 — Everything this company builds rests on one claim: that two pieces of coated fabric, fused together by high-frequency welding, will behave as a single piece of material for the life of the product. Every dry bag, every cooler, every inflatable buoy is that claim repeated a few hundred times around a seam.It's a claim you can't verify by looking. A perfect weld and a marginal weld look identical from the outside — the difference only shows up months later, when the marginal one starts to peel apart in a customer's hands. Which is why the machine in this article exists, and why, of everything in our lab, it's the one that most directly measures whether our core process is working.It pulls the weld apart and tells you exactly how hard it had to try.
2026-08-13
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3,000 Pulls, Under Load: How We Test the Part of a Bag That Fails First
DONGGUAN, China — [Month Day], 2026 — Ask any bag factory where the warranty claims come from and you'll get the same answer, delivered with a sigh. Not the fabric. Not the seams. The zipper.It makes sense when you think about what a zipper is: the only part of a bag with dozens of moving components, operated several times a day, every day, usually with one impatient hand, often while the bag is stuffed past the point of reason. Everything else on a bag sits still. The zipper works for a living.So in our lab there's a machine whose entire job is to open and close zippers until something gives. In the photograph its counter is set to 3,000 cycles. It will run all of them, under measured load, and then stop by itself.
2026-08-12
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The Machine That Rubs Our Fabric Until It Fails
First in a series from the Sealock lab: how a four-station abrasion tester tells us, in advance, how long a bag's surface will actually last.DONGGUAN, China — [Month Day], 2026 — In a quiet room down the hall from the welding floor, a squat red-and-white machine spends its days destroying small circles of fabric. Four discs, 44 millimetres across, are clamped face-down against abrasive cloth and rubbed — thousands upon thousands of times, under a measured load, in a looping figure-eight path — until the surface gives up. Then someone takes them out, looks closely, and writes down what happened.
2026-08-07
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Every One of Them Gets Inflated: Building High-Visibility Swim Buoys at Sealock
Inside a production run where the final check isn't a glance — it's air, unit by unit, until the factory is sure nothing leaks,DONGGUAN, China — [Month Day], 2026 — A run of fluorescent yellow-green swim buoys is moving through the lines at Sealock (Dongguan Yifulong Outdoor Products Co., Ltd.) this week, built for a brand customer's open-water swim range. Down one aisle a worker sits on a groundsheet with an air blower beside her, filling buoy after buoy, feeling each one, setting it aside. Behind her the finished ones are piled shoulder-high, all of them holding air.That scene is the point of this article. For most bags a leak is an inconvenience. For an inflatable swim buoy, the air is the product — so the last thing that happens on this line is that every single unit gets blown up and checked before it's allowed to be deflated, folded and packed.
2026-08-07
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A Customer Watches the Container Fill: Supervised Loading at Sealock's Vietnam Facility
HO CHI MINH CITY, Vietnam — [JULY], 2026 — Earlier this week the team from a globally recognized drinkware brand stood on the dock at Sealock's Vietnam facility and watched a container fill from the inside out. The load was rolls of material, each wrapped, labeled and staged; before any of it went aboard, it was weighed, cross-checked against the paperwork, photographed, and only then handed up into the container. It's a routine most buyers never see and many never ask for — and it's exactly the kind of visibility Sealock is set up to offer.
2026-07-31
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