4 Squares, established in 2006, specializes in the production of insulated hand tools and plastic injection parts (OEM and ODM). With a vertically integrated business model, the company provides one-stop services ranging from design and development to manufacturing.
4 Squares has a well-structured internal organization with close interdepartmental collaboration, enabling quick resource integration and fast customer response. With innovation at its core, the company focuses on R&D and design, supported by ISO to ensure efficient, low-error production and deliver high-quality products that meet diverse customer needs.
After achieving ISO 9001:2015 and VDE certifications, we will further advance sustainability through carbon inventory, ESG, and climate action initiatives.