We make ultra precision stainless(303,304,316), aluminum& brass metal parts and bushing by using fully computer controlled six-axis (x, y, z, b, c1, c2) cnc(miyano... Etc) turning&drilling machine(mazak)from Japan. We also make precision lock cylinder for door. Please contact us to make high security lock cylinder. Possible future are: 1. Weather resistant by stainless steel plating or stainless steel lock parts. 2. Special key shape against unauthorized key duplication. 3. Key control function. Insert new keys will make old keys useless. 4. Anti-drill. 5. Anti-picking 6. Weather resistant 7. Acid resistant or total acid proof