Home / About

WHY CHOOSE USProvide an Integrated and Comprehensive Solution

  • Service

    We focus on developing high-quality products for top-end markets.Our products are in line with international standards,and are mainly exported to Europe, America, Japan and other destinations around the world.

  • Customization

    We have a strong R&D team,and we can develop and produce products according to the drawings or samples the customers offered.

  • Cost

    At the cheaper cost and accurate delivery time, to provide customers with high quality products

  • Quality


    We have our own testing lab and the good advanced and complete inspection equipment,which can ensure the quality of the products.

  • Multiformity

    We have three kinds of printing process that includes heat transfer printing, In Mold Labeling and digital printing,which enable us can develop and produce a lot of products with different shape, different size, different material.

  • Capacity

    Our annual production capacity is over 20000 tons,we can meet the needs of different customers with different purchase quantity.

Zhoushan Jingnai Alloy Precision Casting Co.,Ltd.

Zhoushan Jingnai Alloy Precision Casting Co.,Ltd. In the incentive market competition, the essence of resistance by the good faith, service, in the superior quality, and the real price under the premise of the company's technical staff is also time for customers to solve various questions and problems, if you need, we are willing to take the good faith attitude, the cheaper price, high quality common development with you,cost reduction, quality assurance, reputation, timely delivery, this is our company's business objectives

Yaluo screw is specialized in manufacturing precision plastic screw and barrel.Over the years,the main products are Nitriding screw and barrel,bimetallic alloy screw and barrel,stainless steel screw and barrel.fully hardened screw, high-speed tool steel screw and barrel which will be used at extruder and injection molding machine.they are used at extruder,such as single screw barrel,parallel twin-screw barrel,concial twin-screw barrel which used in the production plate,sheet,pipe,blow molding machine,blown film machine,the feed machine,packaging machine,foam machine,granulator,woven wire drawing machine,wire and cable,chemical fiber.etc.

screw main design:gradient type,mutant,PM separated type,flow divide type,barrier type,vacuum exhaust type,combination,flexibility,high speed type,ect.

Material:High quality 38 crmoala,High quality SACM645; High quality SKD11; High quality SKD61; High quality meterials,such as 9 cr18mov after quenched and tempered,forming.the surface can be heating treatment like nitride plating hard flipping and spray weld hard alloy,etc.Product has high wear restance,corrosion resistance and long service life,etc.Widely used in all kinds of rubber and plastic raw materials,such as: PE,PP,PVC,PS,ABS,PA,POM,PC,PSV,PTFE,PVR,PR,UP,PEC,PF,VF,MP,PMMA,PET,PBT,PPS,MPPO,PI,LCP,and so on

Appeared to many machines provide a complete set of screw and barrel,for example Engel,Davis-standard,Weber,Bersorff,Wittann Battenfeld,Cincinnati,Nanrong,Haitian,Chenhsong,Japan’s Sumitomo,sumida,liansu,horng chii,major steel,yuan feng,male mold plastic machienery company.