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FAQs
Who is Soni Inks and how long have you been manufacturing?
Soni Inks is a division of Soni Polymers Pvt. Ltd., based in Nagpur, India. The company has been manufacturing stationery inks since 2001 and is ISO 9001:2015 certified.
What certifications and compliance standards do your inks meet?
Our inks are REACH-compliant and EN 71 Part 3-certified, and are manufactured under Good Manufacturing Practice (GMP) standards. We also hold ISO 9001:2015 certification for our quality management system.
What types of inks do you manufacture?
We manufacture a wide range of stationery inks including whiteboard marker ink, permanent marker ink, highlighter ink, CD/DVD marker ink, ball pen ink (standard, low-viscosity, and ultra-low-viscosity), gel pen ink (pigment-based and dye-based), gel pen ink follower,pre-inked stamp ink (pigment-based, dye-based, and for plastic surfaces), self-inking stamp ink, fluorescent window marker ink, stamp pad ink, paint marker ink, fabric marker ink, and correction pen ink (fluid).
Can you create a custom colour or shade for our brand?
Yes. If you share a Pantone number, swatch, or sample, we can match and deliver the exact colour with precision. We also offer customised ink formulations for market-specific or brand-specific needs.
What is the shelf life of your inks, and how should they be stored?
All our inks carry a shelf life of 2 years (24 months) from the date of manufacture, when stored properly in tightly sealed, original containers. Storage instructions are largely consistent across products: keep in a cool, dry place away from direct sunlight, open flames, and extreme temperatures, with most inks recommended to be stored between 10°C and 30°C. A few products also advise against freezing or shaking before use. Exact storage notes are provided with each product.
What packaging and bulk quantities are available?
Our inks are available in 15ml, 50ml, 100ml, and 500ml bottles, as well as bulk packaging in 25-litre containers and 50-litre drums, suitable for institutional, industrial, and corporate bulk orders.
Do you supply for export and large-scale corporate or institutional orders?
Yes. We export our inks to international markets and also serve large corporate, government, and institutional buyers. Our manufacturing capacity is built to handle high-volume orders, and we accommodate specific colour, packaging, and quantity preferences for bulk and export buyers.
