Sumitomo Corporation Thailand, Ltd. - led by Executive Vice President - Mr.Yoichi Tamura and Division Head of Corporate Division 2 - Mr.Anant Leighrahathorn  presided over "Japan Tsunami Donation" at The Thai Red Cross Society with the amount of 200,000 Baht on 18 March 2011.  The donation was witnessed by M.R.Prinyangsri Watanakun, Assistant Secretary General in Fund Raising and Director of Fund Raising Bureau, The Thai Red Cross Society.

Sumi-Thai International Limited - Sumi-Thai Staffs have also encouraged and contributed to Japan Tsunami Victims by donate their money to The Thai Red Cross Society with the total cash of 37,500 Baht on 18 March 2011.