Since the 1950s, Van Leeuwen has contributed significantly to the growth of the horticultural sector in the western part of the Netherlands, also known as "The Glass City." This area of ​​over 2,300 hectares of contiguous greenhouse horticulture is unique in the world.

Our so-called "51 pipe" is a well-known application for these greenhouses. It is a welded steel pipe measuring 51 x 2.25 mm, used in virtually every greenhouse in the Netherlands for growing crops. These are often tomatoes, cucumbers, or bell peppers, but our pipes are also found in cutflower and plant greenhouses. We also supply all other pipes, fittings, and flanges necessary for distribution lines from the boiler, as well as accessories such as pumps, valves, and measuring instruments.

The Dutch companies in the horticultural sector, our customers, are internationally renowned for their expertise and innovations. It's therefore no surprise that their greenhouse heating systems and technologies are finding their way to countries like the USA, Canada, Great Britain, Sweden, and France. This sector is investing heavily in new technologies, such as the use of geothermal energy or residual heat from nearby factories. As a result, greenhouses are often energy-neutral or even energy-positive. To meet the ever-increasing global demand for food, horticultural greenhouses are a vital link in the food chain.