WVI series

The World’s Highest Level Security
“Ultraprecise Watermark Engraving Technology” 

Worry-Free Security Created by Unique Technology

WVI series are the technology of "engraving watermark" directly for face photos, signatures, logo mark etc. on Plastic Cards or Special Synthetic Resin Paper (SSRP) by using ultraprecise engraving technology. SSRP has the same dimensions and thickness, but no unevenness as regular papers. Printings can be made on both engraved side and not engraved side. This enhances reliability of each certificate, and strengthen the security of cards or confidential documents etc.


Visual determination for authenticity of the image, speedily and accurately without using special devices or readers
Watermark engraved image is different from transfer image which is impossible to be reproduced by photocopies or printings
Secure excellent durability

Fundamental Principle of Forgery Prevention

The image of the same photo printed on the card or passport is embedded by engraving. Engraved images are displayed as negative image in reflected light and positive image in transmitted light. By comparing the image changed from negative to positive with the printed image, people can easily define whether the images are the same person or not.

Products & Services

Supporting Security Solutions
by Visual Confirmation.

Manufacture, Sales and Maintenance Services of Engraving Machine.

Images engraved by WVI series are expressed clearly and smoothly with the same level of resolution as printing images. Different from watermark created by usual papermaking technology, each engraving can have different watermark. We prevent fraudulent use by adopting user authentication at engraving time and maintain high level of security by limited sales only to governments and public agencies. Maintenance and follow-up service is also available.

Manufacture and Sale of Cards and SSRP.

Our ENGRAVING CARD Cards and SSRP can be engraved as clients request. The existing security features can be also applied on the same media.
IC Chips, magnetic tape, barcodes, hologram, embossing, hidden characters, and marks…etc., can be embedded. Thus, security can be enhanced significantly by using watermark engraving together with existing card specifications such as magnetic cards, IC cards (contact/contactless type), or biometric card.

Identification card(Public authorities, Government organization issued), Credit Card, VIP Card, Employee card, Student ID, Commemorative card, Driver's license, Cash Card, Pass Card(Checked at entering room, through gate way)(Combination use with employee ID card), Membership card, etc.
Special Synthetic Resin Paper (SSRP)
Security of official documents can be significantly enhanced by using SSRP together with existing security printing such as UV printing, rainbow printing, or detailed printing by lathe or moiré.

Passport, Diploma, Certificates of appraisal, Official documents, Cash voucher, Gate Pass, Various qualification certificates, Certificates, Admission tickets, Gift token, etc.

Committing to Outstanding

The ultraprecise watermark engraving
provides the world-class security
1.Great utility for Multi-Media of engraving objects
WVISS can engrave images on various media, such as Plastic Card, Passport and SSRP
2.Easy Media Setting & operation
Easy setting of media with vacuum suction system.
3.Enhanced efficiency for work
Newly-developed software has succeeded to minimize the operation process before starting engraving.
4.Frequency of maintenance is drastically reduced.
Adopting our longstanding know-how of engravings and designing to reduce frequency for maintenance.
5.Recognition time to replace stylus easily.
Users can watch abrasion loss by measuring height of stylus.

Lineup of each Series


WVI-777 / WVI-888

WVI-777 and WVI-888 are manual operation model engraving machines equipped with an ultraprecision engraving engine and space-saving function. Mounting and dismounting of media are done manually. It is adaptable to various types of media such as Plastic Card and SSRP, which can cover the size up to A4. The design is based on box type for WVI-777, box type and stripe type for WVI-888.





WVI-999 series (for reference)

WVI-999 is full automatic engraver, which taking out preset media one by one, turn them out after engraving. It is significantly effective to engrave large quantities of media.
The design is based on stripe type with 3 different two-toned, metallic painting.
WVI-999V is for SSRP, up to A4 size, WVI-999X is for cards, WVI-999P is for passports.






For security reasons, machine photos are undisclosed.