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    Our History
    Jiande Sinfine powder metallurgy factory
    Renamed Jiande Welfine Technology Co., Ltd
    Our Factory
    The original Jiande Sinfine Powder Metallurgy Factory. Located in economically developed HangZhou Jiande city, established in 2001, In December 2015: Established Jiande Wel Fine Import & Export Co., LTD.
    Sinfine has a self-built workshop of 5000 square meters, the annual production capacity of 500 tons.
    Technical departments of existing senior engineers, technicians, quality inspectors’ senior technical advisor, we are serving various industries at a pace of producing a number of new items each day.
    With our own automatic hydraulic machines, automatic mechanical pressers, vacuum furnaces, high-precision EDM machines, Lathe,melting copper furnace,CNC Maching equipments, grinders etc.
    Preponderant products: self-lubricating bearings, sintered gear,other mechanical structure parts & the steel base copper alloy bushing, the steel casting copper collar, steel copper composite bushing, guide set of billet.
    Quanlity control: universal testing machine, tensile testing machine, hardness equipment, density equipment, metalloscope, optics image instrument, spectrograph,etc.
    ISO9001:2000 quality management system certified by IQNet and CQC.
    All self-lubricating bearings offered by Wel fine have long conformed to international standards of chemical and physical
    properties, such ASTM, JIS, DIN, MPIF, SAE, GB…
    Our Product
    Oil bearing bushing,powder metallurgy bearing bushing,bronze、iron bearing busing
    Product Application
    Forklift, power tools, printers, vacuum cleaners, electric fans, etc.
    Our Certificate
    Production Equipment
    Hydraulic press, shaping machine, cleaning machine, lathe, inspection equipment.
    Production Market
    Asia, Europe and Americawholesale Sintered Steel Bushings