1991ONTON was founded.
Chinese name is Chengdu Modern Wantong Anchor Technology Co., Ltd.
1992The first SDA made by Chinese manufacturer.
The self-drilling anchor (SDA, IBO) is made by cut threading onto the both ends of the hollow bars.
1994ONTON made the first Chinese cold rolled SDA.
IBO Self-drilling anchors in the ture sense. With all threaded in the whole anchor bar.
1995ONTON SDA was used in the construction of Jiazhuqing Tunnel.
Self-drilling anchor was first applied in tunneling in China.
1998Rolling Process Upgraded.
The hot rolling technology was introduced.
2006Production Technology became riper.
ONTON applies the unique integration process of hot roll, heat treat and cold roll.
2008Domestic Standards Drafting.
ONTON participated in drafting Railway Standards which was issued by Ministry of Railway PRC.
2012Began to export.
ONTON began to export self-drilling anchors to Japan.
