Kagoshima Kyowa Concrete Industry Co., Ltd. Seaweed Technology Research Institute Town space Culvert construction method study group Glitter Hokuryo GRC Industry Kaie Kyowa Concrete Co., Ltd. NETIS registered product This year's recruitment has ended CG-WORLD From north to south Kyowa Concrete Industry Co., Ltd. ℡ 011-736-0181, 11th floor, L Plaza, 3-28, Kita 8 West, Kita-ku, Sapporo 060-0808 Contact Us good evening Company Profile Office Major factories Research Institute Seaweed Technology Research Institute affiliated company Copyright © 2006. Kyowa Concrete Industry CO, LTD. All right reserved. Search word Revetment block Guardrail foundation Kasa Conblock Cap concrete Oblique angle L-shaped retaining wall Box culvert Rainwater storage and infiltration Rainwater circulation Secondary concrete products Weed control panel