O B Kogyo (HK) Ltd.

O B Kogyo (HK) Ltd. is a prominent Hong Kong-based manufacturer and contract manufacturer specializing in high-precision plastic mechanical parts and assemblies. Established with a substantial international footprint, the company operates a network of factories across Shenzhen, Qingdao, the Philippines, and Vietnam. With a workforce of approximately 501 to 1,000 employees and an annual turnover of 3 billion JPY, the firm provides integrated development services ranging from mold design and prototyping to mass production and assembly. Their core expertise lies in high-precision gear molding (JGMA0/JIS3 class), precision insert/outsert molding, and two-color molding using advanced engineering plastics like PEEK, PPS, and LCP. Key product lines include plastic gears, printer components such as gear cartridges, optical parts, light guide plates, and automotive components for door mirrors and seating. O B Kogyo serves a diverse global clientele, including major manufacturers in the OA, automotive, and industrial machinery sectors, such as Lexmark International and Hunter Douglas. The company maintains rigorous quality standards with IATF 16949, ISO 9001, and ISO 14001 certifications, ensuring high-level precision for complex components like connectors, coils, and mechanical assemblies.