History
◆ 1983 Tone World International Corporation - Taipei, Taiwan
◆ 1987 Tone World International Corporation (Taoyuan Plant / Water Pump) - Taoyuan, Taiwan
◆ 1989 P.T. Tone World International Indonesia - Jakarta, Indonesia
◆ 1990 Tone World International (H.K.) LTD. - Hong Kong
◆ 1990 Tone World International China Shanghai Office - Shanghai, China
◆ 1992 Tone World International U.S.A. Inc. - New York, USA
◆ 1993 Tone World International China Shenzhen Office - Shenzhen, China
◆ 1995 Tone World International Ohio Sales Office / Warehouse / After Service Center - Ohio, USA
◆ 1996 Tone World International Minneapolis Sales Office - Minneapolis, USA
◆ 1997 Wan Feng Electric (Ningbo) Co., LTD. (Water Pump Plant I) - Ningbo, China
◆ 2002 Wan Feng Electric (Ningbo) Co., LTD. (Water Pump Plant II) - Ningbo, China
◆ 2006 Tone World International Zhongshan office - Zhongshan, China
◆ 2008 REX Electric (Jiashan) Co., LTD. (Water Pump Plant III) - Jiashan, China
◆ 2009 Tone World International Fuzhou office - Fuzhou, China
◆ 2009 ECO-FLO PRODUCTS INC. - Ohio, USA
◆ 2012 Primary Colors Design Corp. - Ohio, USA
◆ 2020 Tone World International Corporation (YingGe Plant / Water Pump) - Yingge, Taiwan
◆ 2021 Water Source USA - Ohio, USA
◆ 2022 Impelmex - Mexico