藤信化建 Company Profile

Pioneer in civil engineering, waterproofing, and water stop injection work.

Toshin Kaken Co., Ltd. was founded in 1965 and has been engaged in underground structure waterproofing works related to civil engineering (subways, telecommunications, electricity, tunnels, dams). Our activities have expanded to South Korea, Hong Kong, the United States, Singapore, Malaysia, and India, where we have completed all projects and received high evaluations from both general contractors and clients.