菱華産業 List of Products and Services

To preserve our society for the long term, we have developed sustainable environmental materials from discarded waste wood. In addition to upcycling waste materials, these sustainable materials can also be recycled. In the future, we will work on creating a system for collection and recycling. Benefits of Upcycling: 1. Reduces waste 2. Utilizes materials 3. Reduces petroleum plastics By replacing petroleum components with biomass materials, we have reduced petroleum components by over 70% (by weight comparison) compared to the same weight of plastic. We have achieved a high biomass content of 73.3% with standard specifications. Stable, high-quality injection molding is also possible. 85% of the volume consists of wood powder, achieving over 73.3% biomass (plant-derived) content by weight. We have also obtained official biomass 70 certification. Efforts to Reduce Costs: Unfortunately, compared to petroleum plastics that are produced and consumed in large quantities, the current manufacturing costs are very high. There are opinions that continuing to use resources dependent on overseas supply is more cost-effective.

• plastic

Achieved mass production with 73.3% plant-based biomass components, with over 85% of the volume being wood powder. *By weight, wood powder accounts for 51%. An upcycled and recyclable, environmentally friendly sustainable circular material. To preserve our society for generations to come, we have developed sustainable environmental materials from discarded waste wood. ■MIRAIWOOD is a material made from upcycled injection-molded components primarily derived from plants. With over 90% of its volume being wood powder (wood is light, so it accounts for over 51% by weight), it can be treated as a "wood product" despite being injection molded. ■We independently developed injection molding technology for wood plastic and established mass production technology in the late 2010s. We quickly succeeded in the practical application and mass production of injection molding, which had been considered difficult due to flow issues in existing wood plastics. ■Founded in 1946, produced in our high-quality domestic factories in Japan, MIRAIWOOD is a plant-based environmental material originating from Japan. MIRAIWOOD is a product of Rikka Sangyo Co., Ltd., which has a wealth of production experience. It is produced consistently in our own factories and partner factories in Japan.

• plastic

Achieved mass production with 73.3% plant-based biomass components, with over 85% of the volume being wood powder. *In terms of specific gravity, wood powder constitutes 51%. An environmentally friendly sustainable circular material that is upcycled and recyclable. To preserve our society for generations to come, we have developed sustainable environmental materials from discarded waste wood. ■MIRAIWOOD is an upcycled injection molding material primarily made from plant-derived components. With over 90% of its volume being wood powder (wood is light, so it has a specific gravity of over 51%), it can be treated as a "wood product" despite being injection molded. ■We independently developed injection molding technology for wood plastic and established mass production technology in the late 2010s. We quickly succeeded in the practical application and mass production of injection molding, which was considered difficult due to fluidity issues in existing wood plastics. ■Founded in 1946, our products are produced in high-quality domestic factories in Japan, making MIRAIWOOD a plant-based environmental material originating from Japan. MIRAIWOOD is a product of Ryoka Sangyo Co., Ltd., which has a wealth of production experience. We maintain consistent production in our own factories and partner factories in Japan.

• plastic

A new material upcycled from waste wood generated in the baseball bat manufacturing process. With over 51% wood powder, it can be treated as a "wood product" for injection molded items! MIRAIWOOD products contribute to the reduction of CO₂ emissions, a cause of global warming, by incorporating a high proportion of upcycled natural material. "MIRAIWOOD" has obtained the Biomass Mark 70. It is characterized by its heat resistance and ease of processing, making it widely usable for tableware, spoons, forks, and more. In light of the new law "Plastic Resource Circulation Promotion Law" that will take effect in April and for the preservation of the global environment, please consider it.

• Wood products

Air Sterilization Due to its air circulation system, it continuously sterilizes airborne bacteria and suppresses bacterial growth, maintaining a clean environment! It can sterilize approximately 90% of a space of 75㎥ (18 tatami mats, ceiling height 2.5m) in 3 hours. It is a freestanding model that is easy to install. No installation work is required, and it can be set up anywhere as long as there is a 100v power supply. Continuous operation for 24 hours is also possible. It draws in air with a fan, sterilizes airborne bacteria such as viruses and bacteria with a UV lamp, and emits clean air.

• Other air conditioning equipment

For office splash prevention measures, we can accommodate everything from selecting materials such as transparent acrylic, frosted, or etched glass to large format processing, tailored to your situation. Custom sizes are also available.

• Other safety and hygiene products

Two replacement films are included, allowing for continued use in a satellite and economical manner. 【Included items: 1 set】 - Headgear (body: available in black/white) - 3 films - Sponge for headgear *Sales start from 50 sets.

• Other safety and hygiene products

While plastic products are convenient, it is also true that they are a concern as one of the factors contributing to marine pollution. Our company is engaged in research on molded products using natural materials (wood powder) and biodegradable plastics. Typically, these raw materials have poor fluidity, making it challenging to establish mass production molding techniques and thin-walled container technology. However, with the development of fluidity improvement techniques, it has become possible to mold thin-walled containers. We are developing products that can be used for a long time and, when they reach the end of their lifespan, can fulfill their role with consideration for the environment. *We are also developing environmentally friendly products in collaboration with Tokyo Metropolitan Government.

• plastic

We are working on measures to address environmental issues, including reducing plastic usage and developing new materials to replace fossil fuels. At Rikka Kogyo Co., Ltd., thin-walled plastic products produced in a clean room with sanitary management are widely used in the food and medical industries. Additionally, we have established a strong partnership system with our cooperating companies, providing high-quality products with high difficulty through a consistent system from mold production to quality assurance, backed by our advanced technical capabilities. 【Technology Introduction】 Molding Machines and Equipment Molding Technology - Injection Molding Machines: 15t to 1600t - Gas Injection - IML Molding - Vertical Molding Machines: 40t to 70t - Heat & Cool - Insert Molding - 3D CAD / Flow Analysis - Foam Molding - Filler-Reinforced Materials - Image Inspection Equipment / Automated Production Line - Two-Color Molding - Thermoplastics / Thermosetting Resins

• plastic

The Rika Group is globally active in various fields such as plastics and industrial materials. Since its founding in 1946, we have grown by collaborating with our core company, Rika Sangyo Co., Ltd., a general trading company, as well as with manufacturer subsidiaries that possess high technical and development capabilities and partner companies both domestically and internationally. In the future, we aim to gather the knowledge and technical expertise of our group companies to fully meet our customers' needs and provide comprehensive proposals. 【Business Activities】 ■ Plastic injection molded products ■ Magnets, etc. ■ Industrial materials ■ Batteries ■ Sales of automatic machinery ■ Infection control and disaster prevention products Splash prevention panels (acrylic panels), face shields, Simple air mats *For more details, please refer to the PDF materials or feel free to contact us.

• plastic
• Plastic Mould
• Processing Contract

Rika Kogyo Co., Ltd. was established in 1960 as a specialized manufacturer of injection molding, originating from Rika Sangyo Co., Ltd. With tremendous support from various sectors, we have expanded into fields such as electronic device-related products, various containers for food, as well as automotive parts, office equipment parts, and medical instruments. Today, we have become a comprehensive manufacturer of plastic products, handling everything from design, mold production, molding, surface treatment, to assembly. Not only in molding but also in the field of plastic processing, we are continuously striving day and night as a unified company to produce superior products more efficiently. 【Business Activities】 ■ Design ■ Molding ■ Painting ■ Printing ■ Assembly ■ Quality Assurance, Logistics, Warehouse *For more details, please refer to the PDF materials or feel free to contact us.

• Processing Contract
• plastic

We sell plastic injection molded products. They are produced in a controlled cleanroom environment. The production of petri dishes is done through an automated line from molding to packaging. We offer a comprehensive service from design planning and drawing proposals to mock-up production, mold manufacturing, and mass production delivery. Our factory in Malaysia also has large molding machines up to 1600 tons and painting equipment. 【Business Overview】 ■ Plastic molded products (in-house factories in Hiratsuka/Malaysia) ■ Magnets (agent for Shin-Etsu Chemical) ■ Batteries and power supplies (agent for GS Yuasa) *For more details, please download the PDF or feel free to contact us.

• Plastic Mould
• Contract manufacturing
• Injection Molding Machine

We provide consistent manufacturing from mold making to molding, secondary processing, and assembly. 【Equipment】 - Molding machines: 30t to 1600t - Painting line / Printing / Hot stamping 【Molding Technology】 - Heat & cool - Gas injection - Two-color molding 【Certifications】 - UL / ISO 9001 / ISO 14001 *For more details, please check the link.

• Contract manufacturing

The automatic valves are our main products. We offer a wide variety of products for various applications, including solenoid valves, electric valves, temperature controllers, and packless valves. - Refrigeration and air conditioning field - Automotive fuel field - Beauty, hairdressing, and medical field - Environmental greening field (We also accept orders for the manufacture of original products.) *For more details, please check the link.

• Other process controls

Air Conditioning Equipment Sales Daikin Industries, Ltd. Authorized Dealer Mitsubishi Heavy Industries, Ltd. Certified Special Dealer We provide a comprehensive range of services from air conditioning equipment sales, design, and installation to air conditioning system design, installation, and maintenance. 【We respond to the following customer needs】 ■ Want to save on electricity costs with energy efficiency ■ Want to reduce CO2 emissions ■ Want to eliminate temperature inconsistencies ■ Find cleaning filters cumbersome *For more details, please check the link.

• Air purifiers

Sales of mercury, high-purity mercury, ultra-high-purity mercury, and reagents Collection and processing consignment of mercury-related waste

• Analytical Equipment and Devices

Bobbin molding, coil winding, assembly. Multi-layer single coils can achieve a 30% higher energy efficiency compared to standard edgewise coils. Moreover, because they use general-purpose insulated wire, costs can be kept low.

• Electrical equipment parts

Single-sided FPC, double-sided FPC, multi-layer FPC, low-rebound FPC, used in various applications such as space and aerospace equipment, medical devices, industrial equipment and robots, car electronics, mobile devices and computer-related equipment, cameras and movie equipment, and electronic components.

• Board to FPC connector

Carbon fiber is an essential material for imparting functionality to composite molding materials. It has ten times the strength of steel while weighing only a quarter of it, enabling the combination of high strength and lightweight properties. It is a fiber with diverse characteristics such as fatigue resistance, rust resistance, and chemical resistance.

• Composite Materials

Automotive batteries, industrial batteries, uninterruptible power supply systems, power conditioners, lithium batteries, Ni-Cd, Ni-Mh battery packs.

• Lithium-ion battery

Manufacturing and sales of membrane filters, hollow fiber membranes, and graft membranes. Manufacturing and sales of cartridge filters and membrane elements using these membranes, as well as manufacturing and sales of water treatment systems utilizing filtration membranes that incorporate these.

• Water treatment equipment

We can verify the shape, resin, gate position, and other factors during the design phase, minimizing mold prototypes and resolving issues in advance for smooth product launch during mass production. - 3D modeling - Optimization of product shape and gate position through flow analysis Equipment: 3D CAD ... SOLIDWORKS Flow analysis ... SOLIDWORKS Plastics

• 3D CAD

We would like to introduce our company's "secondary processing technology." We handle various secondary processing techniques, including high-grade "coating" technology that excels in appearance quality and offers a deep finish, as well as "hot stamping," which enables the expression of metallic luster that cannot be achieved with ink. Additionally, we also design and arrange the manufacturing of jigs related to welding and assembly. 【Secondary Processing Technology】 ■ Coating - Ultra-high gloss coating - UV coating ■ Hot Stamping - Up-down method - Horizontal transfer method *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Painting Machine
• Other contract services

We would like to introduce the "Main Molding Techniques" handled by Rihwa Sangyo Co., Ltd. We offer a variety of molding techniques, including "Heat & Cool Molding," which eliminates weld lines, "Gas Assist Molding," which prevents sink marks even in thick products, and "In-Mold Molding," which performs heat transfer within the mold during injection molding. 【Molding Techniques】 ■ Heat & Cool Molding - Eliminates weld lines - Improves mold transferability, allowing for glossy molding ■ Gas Assist Molding - Prevents sink marks even in thick products - Reduces dimensional changes due to secondary shrinkage ■ Compression Molding - Applies uniform pressure, resulting in uniform resin density and reduced warping - Reduces internal stress due to minimal molecular orientation *For more details, please refer to the PDF document or feel free to contact us.

• Injection Molding Machine
• Processing Contract

We would like to introduce the "industrial materials and products" handled by Rihouka Sangyo Co., Ltd. We offer a wide range of products, including "carbon fiber," which can be provided from prepreg to finished products, regardless of whether they are thermosetting or thermoplastic. We also have a rich lineup of "silicone," including oils, powders, rubber processed products, and "membrane filters." 【Product Lineup】 ■ Carbon Fiber ■ Silicone ■ Membrane Filters ■ Electronic Coolers ■ Cooling Water Treatment Equipment *For more details, please refer to the PDF materials or feel free to contact us.

• plastic
• Composite Materials