Factory/PlantMaterials & chemicals

Resahl Kosan completes new Kamikawa plant, boosts CalsNC-R output 1,000-fold

Resahl Kosan Co., Ltd.Kamikawa, SaitamaPublished Jul 21, 2026

InvestmentNot disclosed

PhaseCompleted

Start—

CompletionMar 2025

Resahl Kosan Co., Ltd., a Saitama-based maker of microbial soil-improvement products, marked the one-year anniversary of its new Kamikawa Plant (Saitama Prefecture), built in March 2025 with roughly double the floor space of its previous factory. Automation of the production line allowed output of its flagship 'CalsNC-R' soil conditioner to surge from about 20 bags/month pre-pandemic to an average of 20,000 bags/month (peak 26,400 bags), driven by demand spikes from gardening YouTube coverage.

Project facts

Owner: Resahl Kosan Co., Ltd.
Facility: Factory/Plant
Sector: Materials & chemicals
Location: Kamikawa, Saitama, Japan
Investment: Not disclosed
Scale / capacity: average 20,000 bags/month (peak 26,400 bags/month), site approx. 2x former plant
Completion: Mar 2025
Announced: Jul 16, 2026

Figures and schedules are as announced by the company or the public body concerned; plans can change. Amounts that were not disclosed are recorded as not disclosed, never estimated.

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