Cleaning drainage pipes in Inage Ward, Chiba City If dredging a waterway, go to Naganuma Kogyosha. We have renewed the Naganuma Kogyosha website. We will continue to make efforts to improve the environment around the water, mainly in Chiba prefecture . Thank you for your cooperation. View Larger Map Naganuma Kogyosha [ADRESS] 2148-4 Miyanogicho, Inage-ku, Chiba 263-0054 [TEL] 043 (250) 7729 [FAX] 043 (250) 7714 8: 00-17: 00 [Closed] Sundays, public holidays, 2nd Saturday Home l Company profile l Service list l Inquiries l Full-time employee recruitment Sewage pipe cleaning l Building drainage pipe cleaning l Drainage pipe TV camera survey l Road side ditch cleaning l River / waterway dredging work l Miscellaneous drainage layer / grease trap cleaning Septic tank cleaning / maintenance l Industrial waste collection and transportation l Water supply / drainage equipment / sanitary equipment Construction Copyright Naganuma Kogyosha All Rights Reserved for drainage pipe cleaning and sewage pipe cleaning in Inage Ward, Chiba City .