海益塑胶机械有限公司地处中国最大的螺杆，料筒生产基地浙江省舟山市，专业从事精密螺杆，机筒的研发销售。产品配套应用于各类注塑机，挤出机，饲料膨化机等，质量达国家标准并远销台湾，东南亚，美洲等世界各地。 经过多年的努力积累，公司拥有一整套完善的生产技术与先进的检测设备。产品材料选用优质合金钢38gromoala,6542,经调质，定性，表面氮化，抛光等而成，具有高密的精密性，塑化性，耐磨性。同时生产全国最大的单料筒积木式螺杆最大可达φ350mm，平双积木式料筒可达φ45-150mm。 “haiyi”是我司产品独家商标。秉“技术求精，开拓进取，品质服务”，海益塑胶机械正进一步开拓国内外市场。 haiyiplasticmachineryco.,ltdislocatedinthelargestmanufactoryareaofscrewandbarrel---zhoushan,zhejiangprovinceinchina.wearespecializedinresearchandsaleofallkindsofscrewsandbarrelswhichwerewidelyappliedtoinjectionmachine,plasticmachine,extruderandfeedexpandingmachine.thequalityhasreachedtothestandardofstateandsaledtotheworldliketaiwai,southeastasia,americaandsoon. greataccumulatingformanyyears,wearepossessedafullsetofperfectproductiontechnologyandinspectionequipement.thematerialischosenfromgoodalloysteel38gromoala,6542.aftertempering,analysingandnitridingsurface,polishing,ourproductspossessedmoreprecision,morefictileandmorewerable.meanwhilewecanproducethelargestsinglescrew-rodinchinawithdiameterofφ350mm,parrelsinglebarrelswithdiameterofφ45-150mm. “haiyi”isourbrandlogo.sticktoexquisitetechnology,enterprisingexploitandquality-service,haiyiplasticmachineryisfurtheringopeninlandandoverseamarkets.