About Us

Company Profile

Company name： Nantong IHARA Science Corporation
Registered capital： $3.685 million
Date of establishment： December 2002
Company staff： 156 employees (as of December 2023)
Headquarters： IHARA Science Corporation
Postcode：108-0074
Address: 3# Ihara Takahashi Building, No. 11 Takahashi 3, Minato Ku, Tokyo, Japan
TEL :+81-3-6721-6988 FAX :+81-3-6721-6993
R & D Centers： Shizuoka (Izu City), Gifu (Nakatsugawa City), Yamagata (Higone City)
Sales bases： Tokyo, Nagoya, Osaka, Okayama, Nantong, Taiwan, South Korea, North America
Production bases： Gifu (Nakatsugawa City), Shizuoka (Izu City), Yamagata (Higone City)
Business policies: 1. Idealism (Dream) 2. Humanism (Love) 3. Naturalism (Science)
Marketing products: Joints [sleeve joint (for steel pipe and copper pipe), double-sleeve joint (BI-LOK), swivel joint, automatic welded joint (AWF), sealed gland joint (VTF) and others]
Valves [metal diaphragm valve, bellows seal valve, check valve, ball valve, globe valve]
Piping fittings [pipe, pliers, leak detection fluid, automatic precision pipe cutter]
System designs [unit, piping work, assembly, maintenance]
Registered capital： 1,564 million yen
Date of establishment： April 1941
Company staff: 591 employees (as of March 31, 2023) (including those of affiliates)
Affiliations: Japan Metal Joint Association, Japan Furudopawa Industry Association, Japan Valve Industry Association, Process Instrument Control Technology Association, SEMI, High Pressure Gas Safety Association, Japan Semiconductor Equipment Association
Qualification certificates： Accredited by ISO9001 (DNV) (Gifu Plant, Shizuoka Plant, Yamagata Plant, IPEC Business Unit, MF Business Unit, Nantong Plant)
Accredited by ISO14001 (DNV) (Gifu Plant, Shizuoka Plant, Yamagata Plant, IPEC Business Unit, MF Business Unit) High Pressure Gas Ban Law Approved Plant (Shizuoka Plant)
Other qualifications： Accredited by Japan Maritime Association (NK), American Classification Society (ABS), London Classification Society (IR), Norwegian Classification Association (DNV)

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