Business information In-house product information Super Ryumu Super Mat Super Punch Non-Slip Mat Office remodeling Construction of lightweight ceilings, partitions, raised floors, etc. Home remodeling Interior work for toilets, kitchens, bathrooms, stairs, etc. Replacement of curtains, carpets, cloths, etc. Nikken Kogyo Co., Ltd. Representative Director Masao Nagumo ｜Greetings / Company Profile｜Inquiries / Quotations ｜Send Email｜ CopyRight (C) 2002-2017 NIKKEN KOGYOSHA CO., LTD.