Qingdao Theory Electromechanical Technology Co.,Ltd ( hereinafter referred to as "Qingdao Theory") is a young but very professional trading company, with 20-year know-how in electromechanical industry, provides one-stop and B2B services.  

    Our trading products include hydraulic or electric drive planetary reducer, axle, spindle gearbox,  floating seal,bearing, precision CNC machining parts made of various material serving kinds of markets like automobile, agriculture, forest, new energy, prarmaceutical and so on.

    Qingdao Theory supplies top-class solutions relying on our supply chain's more than hundreds of advanced and high-level automatic precision CNC machining equipment, which helps ensure the parts' precision. They are CNC lathe, CNC milling center, horizontal milling center, and various gear machining equipment like CNC gear hobbing machine, CNC gear shaping machine, broaching machine, etc. The tens of advanced precision inspection equipments ensure good quality： planetary ruducer testing lab, CMM, comprehensive gear testing machine, spectrometer, and profile projector,etc.

    At the same time, we have a complete and strict organizational structure,and our supply chain is certified by  ISO9001, ISO14001, ISO45001,and IATF 16949. We practice according to these systems, so we can develop fast, healthily, and stably. In addition, our partners own modern software to manage the technical documents and logistics like PDM and ERP.

     The planetary gearbox's quality and excellent service have been especially recognized by the well-known customers worldwide like JLG, Snorkel, Genie and of course including our famous customers in China such as Sinoboom, Zoomlion, XCMG, SanY.  The excellent planetary gearbox makes some contributions for customer's blossom in AWP business.

    In the precision CNC machining field, the parts' high top-quality have been approved by Bosch, ZF, Carraro; Lixil, Takigne, Sugastune,etc.

   Qingdao Theory Team sincerely welcomes your OEM/ODM requirement. We will always provide you with excellent solutions and services at a competitive and reasonable cost. Let's make success together.