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Started in 1998,A-OK indicates the designing andmanufacturing of world-class automation and motorization system for windows anddoors over 19years.According to company development,A-OK set up successively rotator and stator division, precision metalstamping division, plastic tooling division, automatic production division,Germany R&D center.

With excellent R&D team, we have advanced maturedesign. Raw materials are from world known brands. Production machines areimported from Japan and Switzerland, which makes us with exquisitemanufacturing technique.Using Toyota delicacy management method and ISO9001managing system improved our products operability and stability.