Flint Ink Corporation, the largest privately owned printing ink manufacturer in the world, has signed a joint venture agreement to manufacture printing ink in Beijing, China. The two-part agreement was completed on June 18, and will now be submitted for government approval.      The first part of the agreement creates a joint venture between Flint Ink and Graphic-Tech, Flint Ink’s long-time product distributor in Hong Kong and China. In the second level of the agreement, Flint Ink – Graphic Te...