Which one can print on mugs and bottles?

Only the SHUNJITAI. It is a flat and cylindrical two-in-one machine. The SHENGJINSH is flatbed only and its listing says it cannot print cylinders.

Which is better for a phone case business?

The SHENGJINSH is the more direct fit. It is built around A4 phone case printing at about 2 minutes per case, with a stated 3-year warranty and white ink circulation.

Is the SHUNJITAI worth the extra money?

Only if cylinder printing is core to your business. At $3,062.99 as of October 30, 2026, it costs far more than a typical A4 flatbed, and its print area, speed and warranty are not stated.

Do both print white ink?

Yes. Both use CMYK plus two white channels. The SHENGJINSH adds a white ink circulation system to keep the white head flowing; the SHUNJITAI uses automatic flash spray for head upkeep.

What software and computer do they need?

The SHENGJINSH runs on Windows 7-10 with AcroRIP White 10.3 and a USB dongle. The SHUNJITAI's operating system and RIP software are not stated, so confirm before buying.

How thick an item can each print?

The SHENGJINSH handles items up to 2 in (5 cm) tall. The SHUNJITAI's maximum height is not stated; its infrared sensor sets head height automatically.

Multifunctional Desktop UV Printer, Flat and Cylindrical Two-in-One, 6-Color CMYK+WW Ink, Infrared Height Sensor, for Small Storefront Personalized Gift DIY vs Small UV Printer Machine, A4 UV Flatbed Printer with White Ink Circulation System

Buy the SHENGJINSH A4 flatbed if you print phone cases, acrylic, wood and metal and want the lowest entry cost. Buy the SHUNJITAI two-in-one only if you need cylindrical printing on bottles, cups or mugs, which the SHENGJINSH cannot do. The SHUNJITAI's lowest recorded price is $3,062.99 as of October 30, 2026; no price was given for the SHENGJINSH, so compare store quotes before deciding.

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