Japanese factory with one employee produces 400,000 screws daily

Doesn't look like much from the outside, does it?

"Asai Seisakusho Co., Ltd. manufactures and sells low-head screws, extra-low-head screws, standardized tapping screws, and small screws."

Address: 449-7, Tanizuka-kami-cho, Soka-shi, Saitama, 340-0024

Home Page: https://nejikouba.com