We have been involved in the development and application of mineral sands and other mineral resources from early on, and have also focused on the procurement and development of functional resins, high-performance metals, and raw materials essential to the environmental, electronics, and automotive industries.
Features of the Materials Business
01We handle a wide range of plastic raw materials and plastic products
We provide a wide range of resin raw materials and resin products, including PET resins and general-purpose olefin resins, intermediate products such as films and sheets, as well as daily goods and household items, and products like commercial air conditioner panels.
In addition, as environmental awareness increases worldwide, we are focusing on environmentally friendly products such as biomass-derived biomass PET resins, biomass PP and PE resins, aluminum-catalyst PET resins with high recyclability, and recycled olefin resins that have a lower environmental impact.
02Metal Processing Business
Through our trusted global network, we supply a wide range of metal materials, along with wire products, stamped metal parts, and processed components. These products are manufactured by our two group companies, Bangkok Ai-Toa Co., Ltd. and Bangkok Sanyo Spring Co., Ltd., and delivered to customers in Thailand, Asia and worldwide.
03Heat-resistant paint business
We have a joint plant with Okitsumo Inc., a Japanese manufacturer of heat-resistant paints, and provide our products to Thailand, Southeast Asia, and India.
Products we handle (Our products)
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Biomass PET resin
Biomass PET is made from bioethylene glycol derived from sugarcane molasses. Approximately 30% of the PET is plant-derived, which reduces CO2 emissions by approximately 28%* (1.7 kg per kg of product) compared to petroleum-derived PET. We offer integrated solutions from pellets to processing of final products, taking advantage of the supply system and supply chain we have cultivated over many years.
*From joint research and surveys on LCA by Dai Nippon Printing Co., Ltd., Tokyo City University, and our Company. -
Aluminum catalyst PET resin with high recyclability
Our company began selling aluminum-catalyst PET resin with excellent recycling properties in 2016.
We provide a license for the GS catalyst, a patented technology of Toyobo Co., Ltd., to Indorama Ventures PCL, the world’s largest PET resin manufacturer, which produces the resin. -
Recycled resin and biodegradable resin
Our company handles a variety of low environmental-impact resins.
For recycled resins, we offer PET, PP, and PE, and are able to supply both PCR (Post-Consumer Recycle) and PIR (Post-Industrial Recycle) types.
In addition, we also provide proposals for biodegradable resins and plant-derived olefin resins. -
Packaging film
Our company handles high-performance films that enable mono-material structures (single-material structures), making recycling easier.
We offer a range of solutions tailored to customer needs, including biaxially oriented PE film (BOPE film), which combines excellent printability, strength, and sealability, as well as PP and PET films.
In addition, we also import metallized films, transparent metallized films, and nylon films from overseas. -
Molded ceramics
Iwatani is an overseas sales agent for products manufactured by the Ceramics Business Department of MITSUI MINING & SMELTING CO.,LTD. We sell furnace materials for aluminum casting (Hi-Cera), MetalloFilter® and MetalloClean®, which take advantage of the characteristics of our Company's technology.
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Mineral Resources
We handle mineral resources, inorganic chemicals, and biomass raw materials. We also focus on handling various raw materials and components in anticipation of the arrival of the electric vehicle society.
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Metal Materials (SUS, AL, CU, Steel)
We import and distribute metal materials such as stainless steel and aluminum from Southeast Asia and India. Leveraging Iwatani's global network, we also handle high-performance materials.
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VIP COLD BOX (High-Performance Insulated Cooling Box)
Our high-performance temperature-controlled transport boxes utilize Vacuum Insulation Panels (VIP), ensuring superior quality preservation for pharmaceuticals, food, and precision instruments.
Size, temperature range and duration (12 to 150 hours) can be cutomized to meet your requirement.
Our solutions contribute to both environmental sustainability and the reduction of logistics costs. -
Heat Retrement Jig (High-Performance Jigs for Automotive Solutions)
We collaborate with specialized engineering partners to supply high-quality heat treatment and cleaning jigs for automotive parts.
Through optimal material selection and structural design, we contribute to solving our customers’ challenges.
As the industry evolves and become more advanced, we offer comprehensive support across wide range of stage —from R&D to mass production optimization—helping to strengthen and optimize our customers’ manufacturing operations. -
Dishwasher basket/ Industrial Washing Racks
Utilizing wire processing technology, we manufacture dishwasher baskets and industrial washing racks.
We support various coating and surface treatment options, and through CAD design and in-house tooling, we strive to improve the efficiency and stability of washing processes. -
Bangkok Ai-Toa (Wire Processed Products)
Bangkok Ai-Toa is the largest wire processing manufacturer in Southeast Asia, capable of integrated production from material procurement to surface coating.
Main Products
- Air conditioner fan guards
- Refrigerator wire shelves
- Dishwasher baskets
- Store fixtures and other wire products
Coating Processes
- Fluidized dip coating
- Nickel / chrome plating
- EDP (cationic electrodeposition coating)
- Electropolishing
Strengths & Initiatives
- Stable supply system for Southeast Asia, North America, and Europe
- Improved production efficiency through automation
- Solar power utilization for CO2 reduction and lower environmental impact
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Bangkok Sanyo Spring Stamping Products
Bangkok Sanyo Spring is a manufacturing base of Iwatani Group, located in Thailand with specializing in precision press processing and insert molding.
We supply high-precision components for the automotive, electrical, and OA equipment industries, supporting customers from the design stage through mass production.
With a production system that ensures stable quality and cost competitiveness, we respond to our customers’ global sourcing needs.
In collaboration with the group’s wire products business, we are able to provide a wide range of processing solutions.Business Activities
Coiling processing (spring)
- Wire diameter: φ0.12 - φ2.6
Press Processing
- Material thickness: 0.01 - 3.0 mm
Forming Processing
- Material thickness: 0.10 - 1.5 mm
Technology & Production System
Equipped with 35t-200t progressive and single-stroke presses,as well as coiling and multi-forming machines.
Die design, manufacturing, and maintenance are handled in-house, ensuring high repeatability and stable quality in mass production.
