Lithium-for-earth (더블유아이, formerly known as Urban Lithium, Wi and PMG Pharmascience) is a company that designs and manufactures tech accessories and operates a biotechnology business. It offers the BELUGA brand that provides tech accessory manufacturing services to original design and equipment manufacturers (ODM and OEM). The company also manages AAVAA Therapeutics and Altero Biotech that develop gene therapies for complex skeletal diseases and cryoprotectants-based supplements.