Sonju Industrial is a NADCAP Accredited processing facility. We offer turnkey solutions for our aerospace partners that include superior customer service, and our commitment to on-time delivery. We believe that our capabilities offer less risk since they are done internally at our factory.
Chem Film, MIL-DTL-5541
Passivation ASTM A 380, AMS 2700 ● Heavy Manganese Phosphate