広進工業 Company Profile

Precision metal processing for automotive mass production, railway vehicles, and semiconductor component manufacturing!

Kokushin Kogyo Co., Ltd. is a company that specializes in "machining cast iron materials." We handle a wide range of automotive parts, from custom parts produced at a rate of one piece per month to those exceeding 200,000 pieces per month. In the mold department, we can produce a complete set of die-casting molds (up to 800 tons). In the machine tool department, we respond quickly to customer requests, from standard parts to individual optional items.