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    Our Subsidiary company named FUJIAN ZHONGJI VALVE CO.,LTD produce all kinds of castings as valve casting,agricultural machinery parts, grate bar and auger, forklift parts, truck parts, machined parts, train casting that are made of carbon steel, alloy steel, stainless steel and other steel material by advanced water glass process. It is located in Fujian province.

    Mr Chen, general manager of the company, with staffs, warmly welcome all friends from both domestic and overseas to share the mutual development.


    General Products 

    Application/Service Area

    Metal Parts Solution for Vehicle, Agriculture machine, Construction Machine, transportation equipment, Valve and Pump system, , transmission shaft , transmission gear etc.

    Main Blank Process for Stainless Steel Casting

    Investment casting (wax mold made by middle temperature wax) /Precision casting ;
    Lost Wax Casting (wax mold made by low temperature wax)/ Precision casting;

    Blanks Tolerance -Casting Tolerance

    CT7-8 for Lost wax Casting Process
    CT4-6 for Investment casting Process

    Applicable Material for stainless steelcasting

    Stainless Steel: CF8, CF8M, . G-X6CrNiMo1810, G-X7CrNiNb1189, SUS 304, 304L, 316, 316L.
    OR According to customer’s requirement

    Casting Blank Size

    2 mm-600mm / 0.08inch-24inch according to customer requirement

    Casting Blank Weight

    Range from 0.01kg-85kg

    Applicable Machining Process

    CNC Machining/ Lathing/ Milling/ Turning/ Boring/ Drilling/ Tapping/ 
    Broaching/Reaming /Grinding/Honing and etc.

    Machining Tolerance

    From 0.005mm-0.01mm-0.1mm

    Machined Surface Quality


    Ra 0.8-Ra3.2 according to customer requirement

    Applicable Heat Treatment


    Normalization , annealing, quenching and tempering, Case Hardening, Nitriding, Carbon Nitriding, Induction Quenching etc.

    Applicable Finish Surface Treatment


    Shot/sand blast, polishing, Surface passivation, Primer Painting , Powder coating, ED- Coating, Chromate Plating, zinc-plate, Dacromat coating, Finish Painting, etc.

    MOQ for batch order


    For casting: 100pcs          For Machining: 50pcs


    Lead Time


    50 days for stainless steel aisi 304 casting



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    Zhejiang LongGong Valve Technology Co., Ltd.   www.300.cn    浙ICP备19008273号                                                                                                  Email:sales@zjlgfm.cn