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Latest update: 24/10/2019 10:12:01

Nagatsu Precision Mold Co., Ltd.

Manufacturer of precision injection molds 
high accuracy, high complex shapes, high durability

Our company forms, coats or paints, and sub-assembles plastic parts. We have a great variety of technologies that can cover a wide range of fields. These range from high-accuracy optomechanical parts to exteriors, medical equipment, and food containers. We are working to extend our sales channels from optics to other fields by deepening and extending the high accuracy we have been seeking in optical mold manufacturing. We will endeavor to provide molds that precisely meet our customers’ requests with the cooperation of Chinese factories engaged in production forming, coating, printing, and sub-assembly.


[Product description] We support a wide range of products in mold manufacturing for plastic forming and production forming. These range from optics, medical care, automotive equipment, and containers to communication terminals. We have various mold technologies and experience. We support complex mechanisms such as in-cylinder slide cores, slide-in-slide, and in-slide screw core extraction. We offer different material forming including silicone, multiple cavities of hot-runner systems, nano-level optical element molds with ultra-high-precision machining, and molds for magnesium forming. We provide molds as a core technology, and also one-stop service from production forming to coating, printing, and sub-assembly in China. [Market share/Ranking] We rank in the top 1% of companies in the domestic Japanese mold industry (not only plastic molding, but also pressing, forging, and powder metallurgy). [Authorization/Certification] ISO 9001:2008; ISO 14001:2004; OHSAS 18001:2007; Strategic Core Technology Advancement Program 300 of Japan’s Vibrant Monozukuri (Manufacturing) SMEs certification. [Intellectual property] Japanese Patent Application No. 2011-016591: Grinding Machine; Japanese Patent Application No. 2011-033033: Displacement Magnifying Mechanism and Grinding Machine; Japanese Patent Application No. 2012-021481: Cargo Loading Machine. [Major facilities and equipment] CAD: NX/ProE, etc. 3D/2D (16+68); CAM: (18 + 68 for Viewer); CAE: Autodesk Simulation/VERICUT M/C: UVM450c/V56i/YBM640, etc. (24); EDM: EDAC1, etc. (12); W/C: UPV, etc. (12); ultra-high-precision processing machines: ULG-100 Cylinder Grinding, etc.; trial forming machine and 3D measuring instruments: UA3P-4, NH-3N, Crysta Apex C7106, NewVIEW, etc. ( ): Quantity owned.