greenhouse, glass greenhouse, plastic greenhouse. Rough Brothers Manufacturing (Shanghai) Co., Ltd. offers industry leading design, manufacturing and construction services. Combining all three services and contracting with Rough Brothers on a Design/Build basis will insure that your greenhouse or conservatory project is a successfully completed one. Our current product lines include Venlo greenhouse, open-roof greenhouse,A-frame greenhouse, poly arch greenhouse and flat roof greenhouse.Please click related products for the detail.