Vertically Integrated Systems

Bosac is located in Taiwan, our facilities include die casting plant(Tainan) and a machining facility(Taipei) encompassing 21,500 sq. meter of manufacturing space. Bosac makes products that are used in a number of industries.

High Pressure Die Casting

Bosac is leading the industry in high-pressure aluminum & zinc die castings. We providing our customers with only the highest quality and on time delivery. Our products include housings, engine parts, light reflectors, classic reproduction parts and structural parts...etc.

Deep Hole(Gun) Drilling

As a leading deep hole drilling in Taiwan, we are the industries first implemented CAD system for X & Y auto-positioning to ensure precision. Bosac also offer customers turn-key solutions including milling and turning. Our service ranges from aero, military defense, tooling, transmission parts, oil exploration, automotive parts, shock parts and all corresponding deep hole drilling parts.


Bosac offers full service Die-Cast & Deep Hole(Gun) Drilling solutions. Our strengths include die design and die making capabilities within melting, casting, ceramic sand blasting, machining, and assembly. Our die cast machine sizes range from 60Ton to 800Ton and weight from 0.04kg - 5kg. Our deep hole(Gun) drilling range from Dia. 1.8mm and max length 1,600mm(3,200mm from both sides).