浪速防錆 Company Profile

For black dyeing and phosphating processing of machined products (iron/cast iron), choose Naniwa Anti-Rust.

Naniwa Rust Prevention Co., Ltd. is a specialized company in chemical conversion coating processes, particularly skilled in rust prevention treatments (black oxide and phosphating) after machining. Currently, energy conservation and compliance with regulations such as the RoHS directive are fundamental worldwide. Our chemical treatments (black oxide and phosphating) comply with the RoHS directive, making them a "environmentally friendly" rust prevention solution that we recommend.