Greenhouse tomatoes and flower bulbs are particularly well-known. Starch, sugar and lactic acid are important further processed products. Garden centres impress internationally with a wide variety of horticultural products, such as ornamental plants as well as landscape plants from the Netherlands. The chemical industry, a second pillar of the country's economy, also offers opportunities for bio-based and sustainable economic growth. Many companies focus on bio-based chemicals and biopolymers. In addition, there are initiatives to produce biofuels and biorefineries on an industrial scale. In a global bioeconomy network, the Dutch view their country as a future center and hub of a successful renewable raw materials industry.