大一製作所 Product Lineup

We specialize in lighting option parts, producing a wide variety of components daily, including parts that change the quality and direction of light, parts for improving the safety of lighting fixtures, and dedicated stands for lighting fixtures. If you have any issues regarding lighting fixture parts, please feel free to contact us. 【Fall Prevention Wire】 If a lighting fixture installed at a height, such as on a ceiling or column, were to fall, it could lead to an accident. The fall prevention wire ensures that even if the lighting equipment becomes detached, it will not fall. We will propose the optimal fall prevention wire based on the weight and shape of the lighting equipment. 【Features】 ■ Fall prevention for spotlights and downlights ■ Fall prevention for signs ■ Fall prevention for tools during high-altitude work *For more details, please download the PDF or contact us.

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We specialize in lighting option parts, producing a wide variety of components daily, such as parts that change the quality and direction of light, parts for improving the safety of lighting fixtures, and dedicated frames for lighting fixtures. If you have any issues regarding lighting fixture parts, please feel free to contact us. 【Custom Decorative Plates】 Old emergency lights were large in size, but the latest emergency lights are compact. When removing old emergency lights or lighting equipment and installing new fixtures, it can leave unsightly marks or gaps. The decorative plate is designed to clean up those areas. At Daiichi Seisakusho, we manufacture custom decorative plates tailored to our customers' needs. 【Features】 ■ Enhances appearance ■ Custom-made to fit lighting equipment, locations, and purposes ■ Allows for straight installation of fixtures *For more details, please download the PDF or contact us.

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We specialize in lighting option parts, producing a variety of components daily, such as parts that change the quality and direction of light, parts for improving the safety of lighting fixtures, and dedicated frames for lighting fixtures. If you have any issues regarding lighting fixture parts, please feel free to contact us. 【Lighting Spike】 Garden lights and ground lights are installed directly on the ground, but they can sometimes be easily dislodged depending on the installation location. By attaching a spike, the lighting equipment will no longer come loose or fall over. Especially in cases where the ground is weak and prone to dislodging, the length of the spike can also be increased. 【Features】 ■ Prevents lighting fixtures from coming loose or falling over ■ Custom spikes manufactured to fit specific locations ■ Easy installation *For more details, please download the PDF or contact us.

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We specialize in lighting option parts, producing a wide variety of components daily, including parts that change the quality and direction of light, parts that enhance the safety of lighting fixtures, and dedicated mounts for lighting fixtures. If you have any issues regarding lighting fixture parts, please feel free to contact us. 【Light Shielding Hood】 When installing spotlights or downlights in places like streetlights or parking lots, light can spread beyond the intended area, causing direct glare that can be very bright or complaints from nearby residences due to light spilling over. We custom-manufacture light shielding hoods to prevent light from spreading in unwanted directions, tailored to the lighting equipment, location, and purpose. 【Features】 ■ Measures against glare ■ Controls light only where it is needed ■ Ideal for spatial design *For more details, please download the PDF or contact us.

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We specialize in lighting option parts, producing a wide variety of components daily, including parts that change the quality and direction of light, parts for improving the safety of lighting fixtures, and dedicated mounting brackets for lighting fixtures. If you have any issues regarding lighting fixture parts, please feel free to contact us. 【Blank Plate】 The latest lighting equipment is much brighter compared to conventional products, allowing for a reduction in the number of fixtures during replacements. However, removing previously installed lighting fixtures leaves a hollow space, which can look very unattractive. The cover plate (blank plate) is designed to neatly conceal that hole. 【Features】 ■ Improves appearance ■ Prevents dust from leaking through gaps ■ Prevents air leakage from HVAC systems, saving energy *For more details, please download the PDF or contact us.

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We specialize in lighting option parts, producing a wide variety of components daily, including parts that change the quality and direction of light, parts for improving the safety of lighting fixtures, and dedicated frames for lighting fixtures. If you have any issues regarding lighting fixture parts, please feel free to contact us. 【Renewal Plate】 We manufacture the optimal size and shape to match the dimensions and form of the previously installed lighting equipment and the new lighting equipment. 【Features】 ■ Enhances appearance ■ Prevents dust from leaking through gaps ■ Air from air conditioning systems does not leak, saving energy *For more details, please download the PDF or contact us.

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At Daiichi Seisakusho Co., Ltd., we operate the "Sheet Metal Division," which offers proposal-based services using 2D (AP100) and 3D (Sheet Works); the "Press Division," which suggests better processing methods by utilizing progressive and single-stroke techniques; the "Mold Division," which collaborates with manufacturing to create new processing methods; and the "Assembly Division," which produces a wide range of products centered around LED lighting. By incorporating laser processing machines, we can handle cutting processes for various metals. We accept production in quantities that meet customer demands, from small lot production of one or two pieces to mass production. Additionally, we not only handle metal processing but also take care of painting the processed products, assembling the processed items, and packaging them for shipment. 【Features】 ■ Flexible cutting processing ■ Drilling, distortion, welding, and press processing ■ Prototypes and small lot production available ■ Assembly and shipment of finished products *For more details, please feel free to contact us.

• Special Processing Machinery
• Processing Contract