Mauritius Customer’s Double-Row Zip System Can Grow About 5,000 Hydroponic Lettuce.Mike in Mauritius has a 17m*5m greenhouse and plans to grow hydroponic lettuce. Through browsing our company’s official website, Mike is very interested in double-row ZIP system. According to Mike’s site, we customized a double row of pull locks 6m*1m*2m for Mike, and the number of vegetables planted can reach 5,184. It makes great use of the three-dimensional space to produce maximum output. And ZIP is very flexible, planting large dishes and small dishes can meet the needs of customers.