Sichuan Leawod Window&Door Profile Co., Ltd., established in 2000, located in Sichuan Province, China.The largest R7 seamless welding system windows and doors production base in China occupying more than 600000 square meters. Having dozens of world top brand automatic production lines for doors and windows. The annual production of Timber-Aluminum windows and doors reach 300,000 square meters. Engaging in the fabrication of Timber-Aluminum, Thermal Break Aluminum Windows And Doors, Curtain Wall And Winter Garden House. Our Patents and Honors The inventor of the R7 Seamless Welding System Windows and Doors. National Government verified supplier National high-tech enterprise The transformation project of scientific and technological achievements The elite of Window&Door Industry Equip With The Globe Top Grade Facilities Of Timber Aluminum Production Lines, Select The Germany Original Hardware, Use The Bullet Train Welding Technology, We Make The Windows And Doors Seamless Welded Joint And Full Coating. We Trust That We Will Be Your Best Choice. LEAWOD, The Assurance of Quality Life!