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Our company performs integrated manufacturing from development to manufacturing, and has achieved top market share in the door hinge manufacturing industry. Inquiries to this Company Japanese

Metal Products Manufacturing

Various Types of Hinges
3D Adjustment Hinges: These hinges are capable of left/right, up/down, and forward/backward positioning adjustment between the wall frame and the door with one driver.
Hidden Hinges: These hinges are completely invisible from the outside when the door is closed.
Company Overview

We are a specialized manufacturer of hinges used in a variety of types of doors. We are an industry leader with a 60% share of the market. We perform unified development, manufacture and sales for a variety of products including our representative product, 3D adjusted hinges.

Our chief products are door hinges, and we have secured a more than 60% share of this market.
3D Adjustment Hinges: After attaching the door to the frame, the position adjustment functionality built into the hinge allows for three dimensional adjustment of the door position (up-down, left-right and forward-backward), making it easy for even inexperienced persons to install doors. Also, for residential equipment manufacturers we are contributing to the industrialization of residential materials manufacturing through by realizing a method by which doors are shipped from the factory with hinges pre-installed.
Hidden Hinges: With traditional hinges the revolving core is still visible even when the door is closed, but hidden hinges have a structure that makes them completely invisible. This feature adds to the attractiveness of the door. Our products contribute to clean designs in architecture.
Hinges have a specialized structure, and as such general-use equipment cannot be used. As a result, we design the machines and equipment used at our company ourselves.
Metal Press Processing Technology: Using our efficient ""pass method"" which stamps both sides of the steel or iron hinge simultaneously we have realized 3000 model types with structures ranging from thicknesses of 0.8mm-4mm and heights between 25 mm -127 mm.
Development of Automatic Machinery for the Hinge Pipe Winding Process: Realized process automation of the pipe winder (axle receptor section), a part that runs through the core rod. Furthermore, we have ensured the precision of the clearance between the revolving axle and the axle receptor to a high degree of precision, ensuring the life of the door to 200,000 open/close cycles.
Long Hinge Line: We have completed a single line from coil material to finished product for our in-house designed ""long hinges"" (continuous hinges that allow their lengths to be freely adjusted). As a result, we are able to manufacture them efficiently.
Major Trading Partners:
*Consumers: Panasonic Electric Co., Ltd., Sekisui House Co., Ltd., Misawa Home Co., Ltd., Panahome Co., Ltd., Sekisui Chemical Co., Ltd., Daiwa House Industry, Co., Ltd., Asahi Kasei Construction Materials Corp., Noda Corp., Cosmo Industries, Nihon Funen Co., Ltd., Sankyo Tateyama Aluminum, Inc., Shin Nikkei Co., Ltd., Toyo Exterior Co., Ltd.
*Special Sales Locations: West Corporation, Tostem Corporation, Soba Jitsugyo, Wakisangyo Company, TKK, Kawajun, Union, Paltech Corporation, Itochu Kenzai Corporation, Tonegawa Byora Hanbai, Inaba Denki Sangyo Co., Ltd., Nihon Flush
*Distributors: Mizukami Kinzoku Co., Ltd., Tsukitora Kinzoku Co., Ltd., Mazroc Co., Ltd., Shimizu Co., Ltd., Fujii Shoji, Sanwa Kanamono
Market Share:
In the area of residential door hinges, our company possesses a market share in excess of 60%.
Company Motto
Harmony and Progress
Company Slogans
1. Let's concentrate our intelligence, display creativity, provide our customers with product development that meets their needs, and contribute to society.
2. Let's create a bright, healthy and vital workplace based on mutual trust, integration, and character building.
3. Let's work to innovate every day, and continually develop the company. As we do this, let us aim to improve the living conditions of our employees and their families and continue to be original and imaginative.
Registered Certification: ISO 9001
Quality Policy: ""Put quality first, and offer products that can always be trusted. Ensure customer satisfaction and contribute to the prosperity of society.""
Registered Certification: ISO 14001
Environmental Policy: ""During the course of hinge and related product development, manufacture and sales, our company will: (1) Continually improve our products' impact on the environment, and work to prevent pollution; (2) Adhere to all laws and regulations related to the environment, as well as to other requirements agreed upon by the company; and (3) Work to reduce greenhouse gases through low-energy and low-resource usage, put special focus on reducing waste, setting environmental goals and aims, and perform reviews.""
Ministry of Economy, Trade and Industry: Selected for inclusion in the ""Healthy Manufacturing 300 Medium and Small Businesses to Support the Japan of Tomorrow (2010).""
2008: One of 58 companies to receive the Osaka Manufacturing Excellent Business Award.
Registered Certifications: Quality ISO 9001 (1999), Environmental ISO 14001 (2009)
No-Accident Record Certificates: In 1976, our company was awarded a ""Type 2 Record Certificate for Achieving 2 Million Hours without an Accident,"" and from the General Administrative Agency of the Cabinet we were awarded the Prime Minister's Prize for ""Promoting the Prevention of Accidents in the Workplace.""
Technical Area Information
Processing Technologies  Divided into Three Manufacturing Categories: Materials, Processing and Manufacturing
MaterialsProcessing TechnologiesProcessingProducts and Uses
PressingPressing Machine-Based Pass Method Blanking and Screw Hole Processing・PressedHinge Wing Blanking and Hole Boring
Automated Machine ProcessingAutomated Machine Processing
Process automation of the pipe winder (axle receptor section), a part that runs through the core rod
Ensured the precision of the clearance between the revolving axle and the axle receptor
・Sheet Metal Processing, Canning, Bending or Cutting
・Screw and Hole Processing
Hinge Wing Finishing
Coat ProcessingThe static coating of metal parts and surface coating of resin parts is performed at the Dalian Factory, our subsidiary in China.・Surface Processing 2 (Coating, Polishing, Etc.)Coating of Hinges and Other Construction-Use Materials
PolishingHairline and Other Surface Finishing・Machined, Ground or PolishedSurface Polishing of Hinges and Other Construction-Use Materials
Assembly ProcessingAutomatic Processing and Assembly Equipment for Core Rods, Caps and Screw Tightening of Hinge Wings・Pressed
・Assembly and Wiring
Completed Hinge Finishing
Final Products  Products that Utilize the Commodity Items and Technologies Possessed
Hinges・Architectural Hardware
Manufacturing Capabilities
Main Product Manufacturing Capabilities
Completed Hinge Parts Monthly Output: Main Factory (1,000,000 Units), Dalian Factory (400,000 Units)
Machinery and Equipment Possessed
Machine NameProcessing CapabilitiesNumber of Machines
Double Crank Press150t1 Units
Crank Press200t1 Units
Crank Press150~180t4 Units
Crank Press110~120t2 Units
Crank Press10~80t9 Units
Automatic Pipe Winding and Surface Molding Machine60t1 Units
Automatic Pipe Winding and Surface Molding Machine20~30t8 Units
Polishing MachineMetal Surface Grinding5 Units
Wire Cut Electrical Discharge MachineFA20S Advance1 Units
Surface PolisherPrecision Surface Polishing GS-63PF1 Units
Welding MachinesCondensed Spot Welding4 Units
Welding MachinesArc Welding2 Units
Degreasing Wash TankOrganic Fluxing1 Units
Coating EquipmentThe static coating of metal parts and surface coating of resin parts is performed at the Dalian Factory1 Units
Milling Machine3 Units
Open/Close Lifespan Testing EquipmentDoor Automatic Open/Close Test Use3 Units
CAS/Brine Nebulizer Testing EquipmentCAS Test/Brine Nebulizer Test Use1 Units
Projection TesterEffective Diameter 306mmφ PJ-H301 Units
Main Product Manufacturing Capabilities
Application made in 2006, Currently Under Review: Anti-Warp Metal Door Fitting (Application Number: P06504Y-1)
Application made in 2006, Currently Under Review: Left-Right Dual Use Pivot Hinge (Application Number: P06505Y-1)
Application made in 2006, Registered in 2007: Hidden Hinge (Patent Publication Number: 2007-211577)
Other: 2 Utility Model Patents, 3 Registered Patents, 2 Patent Publications
Main Product Manufacturing Capabilities
・ISO 9001  Acquisition:1999
・ISO 14001  Acquisition:2009
・Labor Health and Safety: Our company works very hard at safety management, particularly during the machine processing stages. We perform all of our work with "Safety First" as the top priority. In 1976, we were awarded a "Type 2 Record Certificate for Achieving 2 Million Hours without an Accident," and from the General Administrative Agency of the Cabinet we were awarded the Prime Minister's Prize for "Promoting the Prevention of Accidents in the Workplace." In 2000 we received a "Type 4 Record Certificate for 3.8 Million Hours without an Accident (20 Year Commendation)." Our accident-free record continues to this day, and currently stands at 5.44 million hours.
Main Product Manufacturing Capabilities
Measures Taken to Ensure Strict Delivery and Faster Delivery
(1) Manufacturing Management through IT: We have been using computer programs for specialized production management, orders, and sales management from 1990. Every six years we invest in the latest technology software to match the speeding up of operations.
(2) We have established a Real-Time System based on a specialized network constructed with our customers. This system handles orders and delivery responses. This is an effective source of information that allows us to determine our production ordering by directly accessing the inventory systems of our major customers.
Company Infomation
Address 2-162, Chizuka, Yao City, Osaka 581-0862, Japan
TEL +81-(0)72-941-8681
FAX +81-(0)72-941-4606
Representatives Koichi Nishimura
Date of Establishment 1935
Capital 32,400,000 yen
Number of Employees 120 people
Industry Metal Products Manufacturing
URL http://www.nishimura-arch.co.jp/


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