OpenGrain Project

OpenGrain is a SUMARIS Group's project that deals with chemical texturing and engraving of injection molds. We provide texturing, damage repair, engraving and welding of molds.

Offer for industry

Chemical Texturing

Texturing of the surface of forms - to improve the aesthetics, masking defects and bringing out the individual character of plastic products. Preparation of new structures on surfaces and repair of damaged molds.


Injection mold surface treatment to bring the surface to a mirror-like gloss.

Laser Engraving

We provide mold laser engraving services. We make logos, markings, tables etc. in steel, copper, aluminum and graphite.

We work together with our partners
to bring to life products from well-known brands:




Poznań - Headquarters

Laser welding, chemical and laser texturing, mold engraving, sales, service, training.

22 Graniczna St., Złotniki, 62-002 Suchy Las
tel.: +48 577 232 628

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Our Projects

Headquarters - 22 Graniczna St., Złotniki, 62-002 Suchy Las
Office: +48 577 232 628; mail:

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