40 Custom manufacture of semiconductor wafers; Electricity generation; Generation of electricity from solar energy; Generation of electricity from wind energy; Processing of oil; Production of energy; Recycling of electric batteries; Recycling of waste and trash; Refining of petrochemicals; Rental of batteries; Rental of electricity generators; Waste recycling services; Water treating
The mark consists of GCL in stylized letters with a stylized diamond shape to the left formed by eight curved triangles forming a rounded square space in the center. Color is not claimed as a feature of the mark.