内外物産 List of Products and Services

With 80 years of experience, we obtain parts through unique routes that only NAIKAI BUSSAN can offer. We aim for a quick response and procure electronic components both domestically and internationally. 【Features】 - We accommodate various needs, including minimum lot sizes. - We procure swiftly. - We provide real-time information on inventory held in Asia and Europe/America. - We also consult on alternatives and equivalent products.

• others

The "Partition System" is a product for evacuation shelters made of paper tubes and fabric (with antiviral treatment) that can be assembled. Ensuring the privacy of disaster victims who are forced to live in shelters for an extended period is essential. At the same time, partitions are needed to help prevent droplet infections and reduce human contact. The size of this product is approximately 2,000mm x 2,000mm x 2,000mm. It supports long-term living in shelters with one partition space. 【Features】 ■ Can be assembled ■ Made of paper tubes and fabric (with antiviral treatment) - Antiviral treatment "Kiaree V" ■ Size is approximately 2,000mm x 2,000mm x 2,000mm *For more details, please refer to the PDF document or feel free to contact us.

• Safety and consumables
• Safety Supplies
• Temporary Construction Materials

We offer products that contribute to improving living conditions in evacuation shelters. We use reinforced cardboard as the material. In the event of large-scale natural disasters such as earthquakes or typhoons, we provide various products for use in shelters, including simple beds, partitions, and toilets. 【Product Lineup】 ■ Partition System ■ Cardboard Bed GPS ■ Cardboard Toilet ■ Cardboard Table ■ Cardboard Chair, etc. *For more details, please refer to the PDF materials or feel free to contact us.

• Safety and consumables
• Safety Supplies
• Temporary Construction Materials

The "Partition Board" is a product designed to prevent droplet infection, made from regular and reinforced cardboard. It is more affordable compared to acrylic, and you can customize it yourself, such as cutting it for telephone lines. It can be reused when no longer needed, making it an environmentally friendly item. It can be used in various places such as reception areas, classrooms, conference rooms, and offices. Please consult us regarding length and strength. 【Features】 ■ More affordable than acrylic ■ Customizable, such as cutting for telephone lines ■ Length and strength are negotiable ■ Can be reused when no longer needed, environmentally conscious ■ Film-covered type also available *For more details, please refer to the PDF document or feel free to contact us.

• Safety and consumables
• Safety Supplies
• Temporary Construction Materials

This document introduces the assembly method for the dumbbell GPS. First, check the parts such as the side partitions and the top panel. The shapes and quantities are clearly presented with photos. Additionally, the assembly method is explained step by step, so please make use of it. *For more details, please refer to the PDF document or feel free to contact us.*

• Safety and consumables
• Safety Supplies
• Temporary Construction Materials

The "Dunbed GPS" is a product made of lightweight and durable reinforced cardboard. With a height of over 30 cm, it is less likely to collect dust, making it easy for the elderly and pregnant women to get in and out of bed. It can be easily disassembled and transported, making it convenient for use during disasters or for personal use, such as when moving. 【Features】 ■ Load capacity of 1 ton ■ Lightweight and durable ■ Easy assembly without tools ■ Easy to recycle ■ Made of reinforced cardboard *For more details, please refer to the PDF document or feel free to contact us.

• Safety and consumables
• Safety Supplies
• Temporary Construction Materials

We handle emergency response disaster toilets (Dantoilets). Recommended for situations such as when the toilet cannot flush due to a power outage, this product is ideal for disaster preparedness. It has a load capacity of approximately 320 kg and weighs about 1,800 g. It can be easily rinsed with water. 【Features】 ■ Recommended for disaster preparedness ■ Can be used as a Western-style toilet when installed on a Japanese-style toilet ■ Can be lightly rinsed with water ■ Load capacity of approximately 320 kg ■ Weight of about 1,800 g *For more details, please refer to the PDF document or feel free to contact us.

• Safety and consumables
• Safety Supplies
• Temporary Construction Materials

The "Dante Table" is a cardboard table that is easy to assemble without the need for tools. Being made of cardboard, it is also easy to recycle, and it is lightweight yet sturdy. With just 4 parts, it is easy to carry. Sizes and other specifications can be accommodated according to your preferences. Please feel free to consult us. 【Features】 ■ Lightweight and sturdy ■ Easy to assemble without tools ■ Easy to recycle since it is made of cardboard ■ Easy to carry with just 4 parts ■ Can be disassembled and reassembled multiple times *For more details, please refer to the PDF document or feel free to contact us.

• Safety and consumables
• Safety Supplies
• Temporary Construction Materials

The "Danchair" is a cardboard chair that can be disassembled and assembled repeatedly. With just three parts, it is easy to carry. It is lightweight and durable, and being made of cardboard makes recycling simple. Sizes and other specifications can be accommodated according to your preferences. Please feel free to consult us. 【Features】 - Lightweight and durable - Easy assembly without tools - Simple recycling due to cardboard material - Easy to carry with just three parts - Can be disassembled and assembled repeatedly *For more details, please refer to the PDF document or feel free to contact us.

• Safety and consumables
• Safety Supplies
• Temporary Construction Materials

Introducing the scrap processing of various metal materials, which serve as an important base for creating new ideas and new products, including new materials and electronic materials. Scrap processing of various metal materials generated from domestic and international trading partners. This includes pure nickel, copper, aluminum, and other metal materials. *For more details, please refer to the PDF document or feel free to contact us.*

• Parts and Materials

Introducing the important base for creating new ideas and new products: new materials and electronic materials, specifically the chemicals of 'Material'. We have participated from the development stage with Japan's top-level electrolyte manufacturers, proposing customized electrolytes to major capacitor manufacturers, which have been adopted. *For more details, please refer to the PDF document or feel free to contact us.

• Parts and Materials

Introducing the important base for creating new ideas and new products: new materials and electronic materials, specifically resin products (PVC and PET materials). Mainly, PVC tubes and PET films are used for insulation applications by major secondary battery manufacturers (lithium-ion batteries, nickel-metal hydride batteries, nickel-cadmium batteries). In recent years, there has been an increase in deliveries to battery units for automotive batteries, and this is expected to be an expanding market area. 【Features】 ■ PVC tubes and PET films are used ■ Recently, there has been an increase in deliveries to battery units for automotive batteries ■ Expected to be an expanding market area *For more details, please refer to the PDF document or feel free to contact us.

• Parts and Materials

It is used in the neutralization process for the treatment of wastewater generated during secondary battery production, using acidic "industrial chemicals." Sulfuric acid, hydrochloric acid, caustic soda, formic acid, sodium hypochlorite, acetic acid, hydrogen peroxide, etc. are employed. The delivery form is a tank truck. 【Features】 ■ Used in the neutralization process for the treatment of wastewater generated during secondary battery production ■ Employs sulfuric acid, hydrochloric acid, caustic soda, formic acid, sodium hypochlorite, acetic acid, hydrogen peroxide, etc. ■ Delivery form is a tank truck *For more details, please refer to the PDF document or feel free to contact us.

• Medicines

Niobium is a rare metal classified as a transition element and is also a superconducting element. Due to its similar properties to tantalum, there was a time in history when it was mistakenly thought to be the same as tantalum. Its applications include use as capacitors and magnets, as well as an additive element, and it is expected to be used as a niobium alloy in superconducting magnets for linear motor cars. 【Features】 ■ Classified as a rare metal in the transition elements ■ Also a superconducting element ■ Used as capacitors and magnets, or as an additive element ■ Expected to be used as a niobium alloy in superconducting magnets for linear motor cars *For more details, please refer to the PDF document or feel free to contact us.

• Parts and Materials

"Molybdenum" is a material characterized by its very high melting and boiling points. Among high melting point metals, it is less expensive than tungsten, has greater strength at high temperatures compared to other high melting point metals, and has a small thermal expansion coefficient. Today, it is widely used as an extremely stable material in vacuum environments, including in electron tubes, light bulbs, vacuum furnaces, heaters, and electrodes. [Features] - Very high melting and boiling points - Less expensive than tungsten among high melting point metals - Greater strength at high temperatures compared to other high melting point metals, with a small thermal expansion coefficient - Extremely stable material in vacuum environments - Widely used in electron tubes, light bulbs, vacuum furnaces, heaters, and electrodes *For more details, please refer to the PDF document or feel free to contact us.

• Parts and Materials

"Tungsten" is a material that has a high melting point among metals and relatively high electrical resistance compared to other metals. It is used as a filament in light bulbs, but its usage has decreased due to the spread of LEDs. Tungsten alloys and tungsten carbide are used in high-end cutting tools due to their very high hardness. [Features] ■ High melting point among metals ■ Relatively high electrical resistance as a metal ■ Used as a filament in light bulbs ■ Tungsten alloys and tungsten carbide have very high hardness *For more details, please refer to the PDF document or feel free to contact us.

• Parts and Materials

"Tantalum" is one of the vanadium elements and is a material that becomes passive in the air and has corrosion resistance. It is particularly strong in acid resistance, rich in ductility and malleability, making it easy to process. It is commonly used in capacitors and is a metal that is harmless to the human body, making it suitable for use in artificial bones, artificial joints, and dental implants. [Features] ■ One of the vanadium elements ■ Becomes passive in the air and has corrosion resistance ■ Particularly strong in acid resistance, rich in ductility and malleability, easy to process ■ Commonly used in capacitors ■ A metal that is harmless to the human body *For more details, please refer to the PDF document or feel free to contact us.

• Parts and Materials
• Subsidiary materials

"Copper wire, insulated wire, special wire, and plated wire" are materials that have been used for many years in motors for home appliances and material handling, as well as for various wiring applications. Nickel wire and nichrome wire are also gaining attention for use in primary and secondary battery wiring applications. Additionally, they are used for circuit connection applications in circuit boards. [Features] - Used for many years in motors for home appliances and material handling, as well as for various wiring applications - Gaining attention for use in primary and secondary battery wiring applications - Also used for circuit connection applications in circuit boards *For more details, please refer to the PDF document or feel free to contact us.

• Wiring devices
• Parts and Materials

"Welding material (electron beam welding)" is a material used in power steering control circuits for vehicles, engine speed control circuits, and battery unit components for plug-in hybrid vehicles (PHVs) that are expected to see increased production in the future. Electron beam welding is a welding method that utilizes thermal electrons emitted by heating a cathode with a filament, and accelerates them using an electromagnetic field created by a voltage difference, heating through the kinetic energy of the electrons. [Features] - Adopted in power steering control circuits for vehicles, engine speed control circuits, and battery unit components for PHVs expected to see increased production in the future. - Utilizes thermal electrons emitted by heating a cathode with a filament. - Accelerates electrons using an electromagnetic field created by a voltage difference, heating through the kinetic energy of the electrons. *For more details, please refer to the PDF document or feel free to contact us.

• Piping and electrical wiring materials
• Parts and Materials
• Processing Technology

"Surface treatment materials (various plating processes such as Au, Ni, Cu, Sn, etc.)" are widely used in the electrical contact parts of secondary processed batteries and circuit boards in various communication devices, power tools, and electric bicycles. We select surface treatment manufacturers (plating contractors) that meet the needs and respond to customer demands for small lots and various specifications. 【Features】 ■ Widely used in the electrical contact parts of secondary processed batteries and circuit boards ■ Selection of surface treatment manufacturers (plating contractors) suitable for needs ■ Response to customer demands for small lots and various specifications *For more details, please refer to the PDF document or feel free to contact us.

• Other Hydrogen/Fuel Cells
• Processing Technology

We would like to introduce the materials we handle: "pure nickel materials, clad materials, alloy materials, copper materials, and stainless steel materials." For secondary battery applications, they are widely used in cell components for major battery manufacturers' lithium-ion batteries, nickel-metal hydride batteries, and nickel-cadmium batteries, as well as in secondary battery protection circuit boards, establishing a supply system that matches customer needs. 【Features】 ■ Widely adopted for secondary battery applications ■ A supply system tailored to customer needs *For more details, please refer to the PDF materials or feel free to contact us.

• Steel
• Secondary steel products
• Parts and Materials

Our company has been providing services to customers as a new product proposal company in fields such as "materials," "electronic devices and parts," and "electronic units." Our features include not only an "unwavering trust relationship with manufacturing companies built over more than 80 years of transactions," but also the ability to handle a wide variety of products through dedicated sales, both domestically and internationally, and a focus on proposing products from the new planning stage for our customers. With innovation as our motto and excellent human resources as our foundation, we aim to enhance our proposal capabilities and pursue client satisfaction. We look forward to your continued support. 【Business Activities】 ■ Wholesale import and export sales of materials, electronic devices and parts, electronic units, etc. ■ Import and export operations (logistics and commercial flow outsourcing) ■ Development and sales of AIRQUIN and related PVC products ■ E-commerce business (overseas BtoB, domestic BtoC) ■ Indonesia business (product sales support, beauty salon business) ■ JXTG Energy Corporation electricity sales agency *For more details, please refer to the PDF materials or feel free to contact us.

• Parts and Materials
• Power and Energy Equipment