Koosei Precision is a precision machining and mold components manufacturer founded in 2019 in Chang’an, Dongguan, China.

Founded by experienced machining technicians, we specialize in custom metal parts made to customer drawings and specifications. Our core team brings 10–20 years of hands-on experience in precision machining, mold components, finishing and inspection.

We focus on injection mold components, stamping die components, replacement and spare parts, and machinery and automation components. Each part is produced with careful attention to dimensions, tolerances, material and finish.