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Building materials, supplies and fixtures manufacturers
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ロンタイ

Establishment1957 year
capital6300Ten thousand
number of employees121
addressOsaka/Moriguchi-shi/3-1-11 Kameda-cho
phone06-6902-9401
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last updated:May 11, 2026
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ロンタイ List of Products and Services

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Natural invasion promotion type Natural invasion promotion type
Products with wire mesh Products with wire mesh
NETIS registered products NETIS registered products
sandbag sandbag
Earthwork products Earthwork products
Cutting soil products Cutting soil products
Straw-wrapped product Straw-wrapped product
Greening of hard surfaces and rock formations Greening of hard surfaces and rock formations
Environmentally friendly products Environmentally friendly products
Erosion control type Erosion control type
Market unit price product Market unit price product
Traditional variety breeding type Traditional variety breeding type
Economic product Economic product
Vegetation bag Vegetation bag
Blowing-related materials Blowing-related materials
Seed Seed
Pin Pin
Work schedule, placement diagram, construction method Work schedule, placement diagram, construction method
Case studies Case studies
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Email Newsletter Corner Email Newsletter Corner
Blowing-related

Blowing-related materials

Please download the catalog for blowing-related materials from here!

Fiber net (with fertilizer bag) "Double Anaconda Net I-40"

■■Spray Application Net■■Market Unit Price Product■■

The "Double Anaconda Net I-40" is a fiber net for spraying that is equipped with fertilizer bags. Thanks to the slow-release fertilizer inserted into the fertilizer bags and the high moisture-retaining soil amendment, the fertilizer effect lasts for a long time without causing concentration disorders. For cut slopes with a lot of gravel where greening tends to be uneven, it is effective to increase the thickness of the seed spraying◎ 【Features】 ■ Market unit price product ■ Corresponds to fiber net construction (with fertilizer bags) ■ Long-lasting fertilizer effect ■ Double net that is resistant to damage ■ Adaptable to a wide range of conditions *For more details, please refer to the catalog or feel free to contact us. -------------------------------------------------------------------------------- Rontai offers free slope surveys at construction sites. For more information, please contact your nearest branch or sales office. --------------------------------------------------------------------------------

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Market unit price product: Fiber net "RT Net"

■■Capable of handling various spraying sites■■Market unit price method■■

"RT Net" is a product that can stabilize the spraying base by applying it to the slope before spraying. We offer four types with different mesh sizes and thicknesses. You can choose according to the site conditions such as soil type and spraying material. This product corresponds to the market unit price method for fiber net construction (without fertilizer bags). Please feel free to contact us when you need it. 【Product Lineup】 ■RT Net 1208 ■RT Net 1212 ■RT Net 2520 ■RT Net 2520 (Toughness) *For more details, please refer to the PDF materials or feel free to contact us.

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Reinforcing fiber for mortar and concrete spraying "Basalon Fiber"

Natural basalt is fiberized using special technology. It has high strength and excellent workability, and can also reduce disposal costs. 【NETIS registered product】

"Basalon Fiber" is a reinforcing fiber that exhibits high crack prevention effects when mixed with mortar or concrete, protecting slopes. It is made by melting natural mineral basalt at high temperatures and processing it into fibrous form using special technology. In addition to excellent heat resistance, it also possesses salt and alkali resistance, allowing it to maintain strength without corrosion in coastal areas and special soil sites. 【Features】 ■ Reduces environmental impact as it is primarily made from natural minerals ■ Blends well with concrete, resulting in a smooth surface finish ■ Reduces disposal costs for rebound and wash water, as well as future industrial waste treatment costs ■ Lightweight, with excellent dispersibility and flexibility, allowing for smooth construction ■ Can enhance compressive strength *For more details, please refer to the PDF document. Feel free to contact us with any inquiries.

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Landslide Prevention Greening Method "Long Strong Net Method" to be released in January 2025.

Protects the surface layer of the slope to a depth of about 1 meter. Achieves high greening quality and erosion prevention effects using wire, mesh, anchors, and vegetation mats. 【*Presentation of advantages of the construction method available】

The "Ronstrong Net Method" by Rontai is a slope protection technique that enables "collapse prevention up to a depth of 1 meter" by combining vegetation mats with anchor materials and wire ropes. By connecting vegetation mats that cover the entire slope with wire mesh and wire ropes to anchor materials, it effectively prevents surface erosion through greening while also contributing to the prevention of surface collapse. 【Features】 - Protects a depth greater than the roots of plants (approximately 1 meter of surface), suppressing intermediate slope collapses and wedge-type collapses at the slope shoulder. - Can be constructed without large machinery such as spraying machines or belt conveyors. - Enables early stable greening with vegetation mats that include straw. Since manual construction is possible, it allows for reduced construction time and costs in small areas or locations where machinery access is difficult. Please utilize it for disaster prevention, disaster recovery, mountain conservation, and national resilience. *We are currently offering free materials introducing the product catalog and the benefits of the method! You can view them via PDF download. Feel free to consult us for detailed specifications.

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[Technical Information] We will answer questions regarding NETIS registered products!

Large Vegetation Sandbags - Reinforcing Fibers for Mortar and Concrete Spraying

What is the maximum height for stacking the large vegetation sandbags "Green Scram"? What is the stacking slope? How do you fill the bags with soil? What is the size after filling with soil? Is it possible to move them after installation? What is different about the mortar and concrete spraying reinforcement fiber "Basalon Fiber" compared to conventional reinforcement materials? How is the workability? Are there any points to be cautious about? We are answering frequently asked questions from customers! 【NETIS Registered Products】 - Large vegetation sandbags "Green Scram" - Mortar and concrete spraying reinforcement fiber "Basalon Fiber" 【NETIS Expired Products】 - Erosion control vegetation mat "Kilket M type" - Erosion control vegetation sheet "Kilket S type" - Soft rock and hard soil vegetation mat "Shirokumatt" - Native species cultivation vegetation mat "Ronket Mosana" - Biodegradable turf (with net) "Ronket Orga" - Thinning wood utilization vegetation mat "Mori no Taro" *This document can be viewed immediately via "PDF Download." Feel free to contact us with any inquiries.

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Slope Protection NETIS Registered Product Introduction Flyer

Introducing Rontai's NETIS registered products◎

Introducing Rontai's NETIS registered products! 【NETIS Registered Products】 - Large vegetation soil bag "Green Scram" - Reinforcing fiber for mortar and concrete spraying "Basaron Fiber" 【Products with Expired NETIS Listing Period】 - Erosion control vegetation mat "Kilket M Type" - Erosion control vegetation sheet "Kilket S Type" - Vegetation mat for soft rock and hard soil "Shiroku Mat" - Native species cultivation vegetation mat "Ronkette Moss Ana" - Biodegradable turf (with net) "Ronkette Orga" - Thinning wood utilization vegetation mat "Mori no Taro" *This document can be viewed immediately via "PDF Download." Please feel free to contact us for inquiries.

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