SIG China is a venture capital firm associated with Susquehanna Sustainable Investment that backs early-stage climate and industrial technology companies across carbon, energy, agriculture, mobility, water and infrastructure, with additional observed activity in media and mobile. It invests in China and the United States and has acted as a lead investor in a Series B financing, making it relevant for founders seeking VC capital across early and later-stage rounds, especially in climate, energy, automation, robotics, SaaS and mobility.