螺杆
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LiaoningYingjinMachineryCo.,Ltdisanindividually—runenterprise,whichisleadingbyhigh—technology,pursuitingofhigh—qualityproducts,takinghighcreditforresponsibility. Ourcompanyisanprofessionalmanufacture,establishedin1998,producingrollingbuildingmachine,watertreatmentequipment,heatexchange,valveaswellasfanseries,generalpurposemachineseriesandsoon.