Sang-A Frontec. 

Sang-A Frontec Co.,Ltd. engages in the research and development, production, and sale of materials/parts based on engineering plastics in South Korea and internationally. The company offers fuel cells; membranes, including vent filters and ePTFE for textiles, as well as membranes for medical use; semiconductor products, such as jar boxes, solar cassettes, FOUP products, wafer carriers, storage boxes, PFA/FEP tubes, and mold release films; medium and large, cylindrical, and small type batteries; and display products comprising cell cassettes, ACF bonding sheets, support bars, and FPD cassettes. It also provides automotive products consisting of air vents, and PTFE tubes and rings; OA products that include wireless charging kits, laser printer/MFP/copy machines, metal sleeves, fuser films, fuser and transfer belts, and guide claws; SG and LX sheet, and backup board PCBs; and medical devices, such as safety filter syringes, epidural needle kits, Green Medi green VACs, and filter needle syringes. The company was founded in 1974 and is headquartered in Incheon, South Korea.