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Galih Dwiyan Wijaya is a skilled Plant Metallurgist at PT NUSA HALMAHERA MINERALS since July 2019, where responsibilities include optimizing process plant operations, developing standard work instructions, supervising metallurgy technicians, and leading operational projects that improve bullion purity and throughput. Prior experience includes roles as a Junior Plant Metallurgist at PT Isuzu Astra Motor Indonesia, focusing on quality assurance during vehicle production, and as a Production Supervisor, overseeing safety, quality, delivery, and cost in truck assembly. Earlier internships included metallurgical testing at PT Bumi Suksesindo and a laboratory assistant position at Mineral Processing Laboratory. Galih holds a Bachelor of Engineering in Metallurgical Engineering from Institut Teknologi Bandung, obtained in 2018.