Manufacturing Type: From HSE perspective, if a supplier uses toxic chemicals, or generates industrial waste water, air pollution, or hazardous solid waste material, it will pose potential higher risk to the environment or employees. Therefore, it should be considered as a high-risk supplier. If the supplier only produces non-hazardous waste material, it should be considered a mid-risk supplier, if the supplier doesn’t produce any waste material, it should be considered as a low-risk supplier.