A company that works on the recycling of construction sludge based on its abundant treatment results. Toko Development Co., Ltd. is actively working on the recycling of construction sludge with its technological capabilities backed by its abundant processing results over many years . Items handled We handle inorganic construction sludge generated from civil engineering work and building work. Flow from consultation Please feel free to contact us. We propose the optimum processing method with our abundant expertise and unique technology. Collection and transportation area Information on permitted areas. Taking advantage of its highly convenient location, we will efficiently collect and transport it. Information on processing flow We will guide you in detail about the waste treatment process by type. Please feel free to contact us for any inquiries or questions regarding our business . HOME Business content Business summary Items handled Flow from consultation Collection and transportation area Information on processing facilities Information on processing flow Corporate information Company Profile History Permit list Organizational structure CSR information Information disclosure and links Employment information job description Application Requirements Contact Us entry Contact Us privacy policy site map © 2013 TOUKOU-KAIHATSU Co., Ltd. All rights reserved.