Shandong Happy Room New Energy Technology Co.,Ltd, the factory located in China Logistic Center- Linyi City and the International sale office in China Business Center-Shanghai City, it is a leading supplier of smart electric curtain, aluminium window door and greenhouse building products in Asia,Happy Room focus on the smart electric curtain, window and doors design and producing,the company mission is make more smart electric building products to enjoy more happy life, the factory possess whole design,manufacture,QA control, selling, packing, transportion and installation full process,providing one-stop and personalized customization base on customers drawings and designs. Thanks for the Auotomatic Machinery, Innovative Engineers, Well-trained Operators and Advanced ERP System, Happy Room earned the replulation from our customers home and abroad by providing higher quality products and service, opened up the markets in European, American, Australian and Asian countries. Since the very begaining of setup, Happy Room has been concentrating on quality improvement at the basis of ISO9001:2008 System Guideline, Professional QC Staff and Precise Inspection Tools. Happy Room is working consistently to develop and maintain long-term cooperation with our customers by Innovation, Stable and High Quality Production. Your on-site visit is warmly welcome for our mutual-beneficial cooperation.