Hollian has in the past 12 years used a strategy that enables the company to produce high-quality pen refills. It uses swiss pen tips and german inks for all pen types. With these quality materials, users can comfortably use its pens as they give smooth writing capability, and are durable. Recently the company has come out with a new gel-ink refill for the parker type and the roller type, which give you the feeling of a more writing comfort, heralding a New Era in the writing world.