SIG Asia co-led a $40.5m series C-plus round for the home security technology developer that included Legend Holdings and existing backer Baidu.

China-based smart lock developer Yunding Network Technology has closed a RMB270m ($40.5m) series C-plus round co-led by a subsidiary of trading and technology firm Susquehanna International Group, Marbridge Consulting has reported.

SIG Asia co-led the round with Lan Fund, investing alongside Baidu Ventures and Legend Star, corporate venturing vehicles for internet group Baidu and conglomerate Legend Holdings, as well as Shunwei Capital Partners, China Renaissance K2 Ventures and DT Capital Partners.

Yunding produces smart magnetic locks for homes and apartment…