The Sky Defender Story: How a Garage-Kit Studio Built a PG Killer, Then Got Bootlegged

Any builder or reader into third-party kits, or Guomo (国模), should and must have heard of the Sky Defender from Einta Industries. The story is a familiar one. A spectacular kit that shot straight to the top of the best Guomo releases in recent memory, from a maker that appeared overnight, out of thin air. As the old saying goes, if it walks like a duck and quacks like a duck, it must be a duck, and that is not far-fetched for Einta Industries.

The people behind Einta Industries (爱因塔) are not new to this. The design team came out of the resin garage-kit scene, and the Sky Defender (天幕) shows it. The kit is a 1/72 original mecha with more than 1,100 parts, a full multi-layer inner frame, pre-painted armor across more than a dozen color separations, and a finished height of about 34 centimeters. Builders measure it against Bandai's PG Unleashed line, and the comparison mostly holds. This is the story of where the kit came from, why it remains hard to buy two years after release, and the counterfeiting case that ended with five arrests and a raid on the factory producing the fakes.

From resin garage kits to the Sky Defender

The design talent behind Einta Industries comes from YuJiao Land (育胶乐园), a Chinese garage-kit studio that has been making resin conversion sets for years and is still doing it today. Their conversion sets for Bandai's MG Sazabi and MG Hi-Nu Ver.Ka earned a strong reputation among experienced builders, the kind of aftermarket parts people track down before they buy the base kit. The Hi-Nu conversion alone runs past 500 resin parts, and one builder who documented the whole process logged over 550 hours finishing it. Garage kits, or GK for short, deserve their own article another day.

The short version is that garage kits are the deep end of the hobby. They are cast in resin, produced in small batches, and they ask the builder to sand, fit, and paint every piece by hand. A single part can take an afternoon, and a full build running into the hundreds of hours is nothing unusual. The result is one of a kind, which is the appeal. The catch is that not many people can realistically take one on, since the kits are pricey, hard to find, and unforgiving if you are still learning. For a team that got into models because they loved building, that gap eventually became the problem they wanted to solve.

Around 2022, Einta Industries was quietly formed as a new venture, pairing YuJiao Land's design work with the manufacturing capacity that injection molding requires. The vision was to put garage-kit-level design into mass-produced plastic, so an ordinary builder could get that quality without the sanding, correcting, and painting that cast resin parts demand. The first product was the GWS-01 Trident, a plastic weapon-and-conversion pack rather than a full kit. The market reaction was quiet, and the team has described that period as paying tuition. Injection molding turned out to demand different skills than resin casting, and mold precision, part separation, and fit all had to be learned over again.

The lessons paid off. In spring 2024, Einta released the Sky Defender under its Level-Ultimate line (model code NPCM-017), and it delivered on everything the studio's resin work promised. Beyond the part count and the inner frame, the box comes with photo-etched metal, waterslide decals, six funnels on their own stands, and a display base, and most of the armor is pre-painted, so a straight build ends up looking closer to a finished commission than a bare kit. It was quickly held up as the ceiling of Guomo, and reviewers agreed it earned the PG Unleashed comparison on structure and fit. Other makers have raised the bar since, but the Sky Defender was arguably the first to set it.

Why the Einta Sky Defender is hard to buy

Demand for the Sky Defender has outrun supply since the preorder period. Einta is a small company that chose a large, complex product as its first full kit, and production has lagged behind orders from the start. Batches sell through, restocks take months, and the low price only sharpens the demand.

The backlog still has not cleared. Some buyers in China who preordered late are reported to have waited close to a year and still do not have their kit. A kit that is relatively expensive for Guomo, scarce, and famous is a natural target for one more problem, and that problem arrived on schedule.

The counterfeit case

In late 2024, something fishy started happening. Builders in China who had finally gotten their copies of the Sky Defender began noticing issues with their parts during builds. Details came out soft, parts fit poorly, and upon comparison on the forum, every box carried the same serial code. On a real Einta kit, that code is unique to every box, so a repeated one gave the whole thing away. Word spread fast through Chinese hobby forums, and in December 2024 Einta hit back with an official authenticity notice. It broke the fakes down part by part, promised buyers triple their money back on any counterfeit, and said the company's lawyers were already gathering evidence.

What set this case apart starts with the target. Counterfeiters almost always copy Bandai, rarely third-party kits, and the reason is margin. Guomo kits are already built to compete on price, squeezed thin to undercut both each other and Bandai, which leaves a faker very little to skim. Copying a kit that is already cheap is usually not worth the effort.

The Sky Defender was the exception. It is expensive for a Guomo kit, though still far cheaper than the PG Unleashed it gets measured against, and that gap is the whole appeal. High demand, chronic scarcity, and a price high enough to leave a counterfeiter something to skim made it worth copying. The operation copied the Sky Defender down to the box, the manual, the decals, and the security sticker, then moved it the way knockoff sellers always have. They spun up their own storefronts across marketplaces like Xianyu, Pinduoduo, and Taobao, undercutting the genuine kit on price and skipping the preorder wait entirely. To a buyer staring down a months-long queue, a sealed Sky Defender available now for a little less was an easy yes. The difference from an honest knockoff was that this one wore near identical box and serial sticker, so buyers thought they were getting the genuine kit. Quite frankly, the thought of potentially getting a fake Guomo is something that never crossed anyone's mind. According to Chinese press coverage, the operation started copying the kit around June 2024 and took about half a year to reach production.

The quality also fed a theory. The copies tracked the original so closely that plenty of people doubted an ordinary recast could manage it, and the popular explanation became an inside job. The story went that a disgruntled Einta employee had walked out with the 3D design files and handed them to a factory. It fit the mood. The kit was impossible to get, and the shortage had bred resentment.

The Police Involvement

In December 2024, Einta filed a police report. Investigators spent months tracing the operation across several provinces before moving in. In March 2025 they arrested five suspects and raided the production site in Dongguan on the 14th, recovering 2,608 counterfeit runners, more than 30 counterfeiting molds, and a full run of fake packaging, manuals, security labels, and serial stickers, every sticker printed with the same code. The case was valued at over 2 million yuan.

The case also put that rumored theory to rest. The five arrested were outside vendors and injection-molding workers, with no Einta employees among them, past or present. They had bought genuine kits, scanned them, and cut their own molds from the scans, changing only the runner and gate layout to dodge an exact match. No stolen files, no leaked blueprints, just a thorough reverse-engineering job. That redesign is also why the runners are where the real tells show up.

By late April the case was closed, and Einta thanked the police with an embroidered banner, the traditional gesture in China. Chinese media called it the first case of its kind in the country, a milestone the industry could have done without.

How to spot a fake Sky Defender

The identification points below come from Einta's official notice and from police statements after the arrests. A genuine kit has a unique serial code on every box. The counterfeit batch all carried the same one, ending in 556MD. That specific code only flags this run, but a serial repeated across kits is the tell no matter what it reads. The fakes give off a sharp chemical smell when opened, the plastic feels thinner and softer, the box art is darker with poor card board used and printed materials show blurry edges. Part fit is looser, with visible gaps where a genuine kit closes cleanly. Teardown comparisons also documented mold-level tells, including gate placement that sits off-center on certain runners and detail shapes on the Q2 runner that do not match the original. None of these are obvious from a single sealed box, which is exactly why the fakes traveled as far as they did.

Who the Einta Industries Sky Defender is for

If everything above has not scared you off, the Sky Defender rewards the kind of builder who wants a big, complex centerpiece and does not mind fighting a little photo-etch to get there. The thing worth more thought than usual is where you buy it. The fakes moved as cheaper, in-stock listings on open marketplaces, which is exactly where an impatient buyer goes looking. LA Scale Model works only through official distribution channels and vets every release before it ships, and you can reserve one on the Sky Defender product page.

It is not a first kit, though. Eleven hundred parts and a long build with some stubborn steps make it a rough place to start if you are new to Guomo. If that is you, Your First Third-Party Kit and Third-Party Mecha Kits Under $50 are better opening moves.

Sources

• Ping'an Times, the Zhejiang police press outlet, April 29, 2025. The official case report, covering the five arrests, the 2,608 counterfeit sprues and 30-plus molds seized, the case value, the cross-province investigation, and the finding that the fakes were reverse-engineered from genuine kits rather than made from leaked design files.
• Xiuzhou News, April 22, 2025. The thank-you banner ceremony and genuine-versus-counterfeit packaging photos.
• NetEase News, April 25, 2025. Full coverage of the case, matching the police report.
• Einta Industries anti-counterfeit announcement, December 10, 2024. The brand's part-by-part authenticity guide and the shared counterfeit serial code.
• NGA Gundam forum thread, December 9, 2024. Where the insider-leak rumor first appeared. The investigation never substantiated it.