Japan Startup Making Paper From Stone Seeks More Pre-IPO Funding.

TBM Co., a Japanese startup known for its technology that turns limestone into business cards, plastic folders and food containers, is seeking to raise another round of funding to expand overseas before it prepares for an initial public offering in a couple years. Although TBM hasn't disclosed its latest annual sales, Yamasaki says revenue will grow at least fivefold in the coming year. [Extracted from the article]