Rontai Co., Ltd. explains the product selection method for greening using herbal plants!

If you are considering greening using herbaceous plants, this is a must-see! You can quickly understand how to choose with our selection flowchart! [Selection materials are currently available.]

last updated Sep 25, 2026

RonTai Corporation's Ryu Kimoto explains the product selection method for greening!

If you are considering greening using woody plants, this is a must-see! You can quickly understand how to choose with the selection flowchart! [Selection materials are currently being distributed]

last updated Sep 25, 2026

Ron Tai Corporation explains the product selection method for natural intrusion promotion work!

A must-see for those considering natural invasion promotion work! You can quickly understand how to choose with the selection flowchart! [Selection materials are currently being distributed]

last updated Sep 25, 2026

Alkaline Soil Compatible Vegetation Mat "Ronkett Healer Ak"

[NEW] This is a vegetation mat suitable for alkaline soils! You can choose from four grades depending on soil hardness and site conditions.

last updated Oct 01, 2026

Strongly acidic soil compatible vegetation mat "Ronquet Healer Ac"

[NEW] A vegetation mat designed for strongly acidic soils! It achieves greening with a blend of permeable soil amendments and seeds that are resistant to acidity.

last updated Oct 01, 2026

For measures against difficult construction sites! Drone greening method "Kuhab Greening Method"

New proposal for access-challenged sites such as landslide areas! Contributing to initial response measures and labor-saving construction during disasters with three greening methods utilizing drones!

last updated Apr 16, 2026

"Cutting Soil Use" Decomposable Vegetation Mat 'Ronquet Orga (with Fertilizer Bag)'

■■ Equipped with jute net for scatter prevention ■■ Main constituent materials are biodegradable ■■

last updated Mar 31, 2026

Greening with natural materials: The power of straw becomes the power of greening.

Is straw actually amazing!? I'll reveal the secrets of straw that are useful for slope greening! [Free materials available]

last updated Mar 31, 2026

Catalog: Longtai Erosion Prevention Series

What kind of sites should erosion prevention products be used in? Information on mechanisms and site selection methods is provided!

last updated Jan 30, 2026

Vegetation mat for greening waterways "Suironket S type"

■ Lightweight and easy to install ■ High erosion prevention effect ■

last updated Dec 15, 2025

Deer Damage Control System

Protecting slopes from the threat of deer damage! Introducing our countermeasure system.

last updated Dec 18, 2025

Natural decomposition type sandbag "Coconut Net Bag"

Natural biodegradable sandbags made from palm fibers, greening with locally generated soil.

last updated Oct 29, 2025

[Helpful Materials] We will assist with the quantity calculation and stability calculation of vegetation soil bags!

For those struggling with the quantity of vegetation soil bags! Rontai will handle quantity and stability calculations for you.

last updated Jul 10, 2025

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】

last updated Oct 08, 2026

Useful Construction Case Studies: Slope Greening Examples in Disaster Recovery Projects

We have gathered numerous examples of greening in disaster recovery projects. Introducing Longtai products that excel in "early greening and erosion prevention"!

last updated Sep 17, 2024

[Information] Introducing greening products that are useful for solar power plant construction!

Are you struggling with issues at your solar power generation site? Why not solve them with Longtai's greening products? We have listed products and case studies by benefits!

last updated Aug 05, 2024

Rontai Seed Mixture Table

This is a list showing the seeds included in greening materials such as vegetation sheets, vegetation mats, and vegetation soil bags!

last updated Nov 06, 2025

Construction Plan Document: Turf, Vegetation Sheet, Vegetation Mat

■■Construction methods and construction sequence are provided■■

last updated Dec 01, 2023

[Information] Useful to Know! How to Utilize Vegetation Mats for Legal Frameworks

■■Easy installation with a legal framework size■■Equivalent effect to vegetation substrate spraying work■■

last updated May 28, 2026

Introduction of vegetation mats with hexagonal wire mesh.

■■Close contact with steeply uneven slopes■■ Suppresses small falling rocks and rolling stones■■ Close contact with steep slopes■■

last updated Jun 12, 2024

【Comparison Data】What is the difference between hexagonal wire mesh and diamond wire mesh?

If you are considering a vegetation mat with a wire mesh, please download it. ◉

last updated Nov 30, 2023

Natural Invasion Promotion Type Vegetation Mat "Ronkett Furaibou"

■■Wara catches airborne seeds■■Seedless vegetation mat■■

last updated Sep 16, 2026

[Construction Case Studies] Vegetation Sandbags 'Green Bag' (Kyushu Region)

◆◆Popular products from Rontai◆◆ Fully equipped with seeds and fertilizers ◆◆

last updated May 22, 2026

[Notice] Registration of Killket Innovative Technology (Hiroshima Prefecture)

Kilket has been registered in Hiroshima Prefecture's "Innovative Technology Utilization System" in the construction sector! [Rontai Co., Ltd.]

last updated Jun 12, 2024

Introduction of domestically produced seeds 【Rontai】

At Rontai, we handle three types of domestically produced seeds: Japanese pampas grass, power grass, and mugwort!

last updated Nov 06, 2025

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

Large Vegetation Sandbags - Reinforcing Fibers for Mortar and Concrete Spraying

last updated Aug 19, 2024

Slope Protection NETIS Registered Product Introduction Flyer

Introducing Rontai's NETIS registered products◎

last updated Aug 19, 2024

Legal framework vegetation mat "Shirokumattō Legal Framework Type" *for cut soil use

■■Easy installation with a legal framework size■■Equivalent effect to vegetation substrate spraying work■■

last updated May 28, 2026

[NETIS Registered Product] Large Vegetation Soil Bag 'Green Scram'

■■Landscape conservation and disaster recovery■■Available for purchase from one sheet■■

last updated Nov 29, 2023

[Comprehensive Case Collection] Vegetation Sheets, Mats, and Sandbags (By Application)

Choose products that fit the site! A variety of examples categorized by use are available.

last updated Oct 13, 2023