City News

How to Black Anodize Aluminum: Step-by-Step Guide

How to Black Anodize Aluminum: Step-by-Step Guide

Black anodizing is a specialized surface treatment process that enhances the durability, corrosion resistance, and appearance of aluminum components. This process is widely used in industries such as aerospace, automotive, electronics, and consumer products due to its...

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Injection Molding Companies in Pennsylvania

Injection Molding Companies in Pennsylvania

Pennsylvania has a well-established injection molding industry that serves a variety of sectors, including automotive, medical, consumer goods, and industrial applications. The state's central location and strong manufacturing infrastructure make it a prime hub for...

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City of San Francisco

Main: (255) 352-6258
Clerk: (255) 352-6259
Fire Department: (255) 352-6260

City Hall

1234 Divi St. #1000, San Francisco, CA 94220
8am – 5pm daily