Oneworld provides procurement and distribution services through its wholly owned subsidiary WElink Global Limited. WElink works with a large base of high quality suppliers in Asia, North America and Europe to supply polysilicon, solar wafers and solar modules to its clients. All suppliers are put through rigorous factory audits and use the best practice manufacturing processes.

In addition, WElink provides engineering quality control, supply chain and logistics, project management and marketing services to its clients. These activities form a large part of the service offerings in the turnkey solar integration and advisory division.