Plastic Injection Molding locations near Diablo, CA

Showing 1–4 of 4 results

We track 4 plastic injection molding listings in and around Diablo, CA, spread over 3 ZIP codes. Listings here were last checked in Oct 2026.

Updated Oct 2026

Grandt -Line Products Inc.

Plastic Injection Molding

📍 1040 Shary Ct, Concord, CA, 94518

📞 925-671-0143

🌐 grandtline.com

Grandt-Line Products Inc. is a plastic injection molding company located in Concord, California. The company has been active in the industry and continues to serve clients with its manufacturing capabilities. Its online presence was last updated in 2019, indicating ongoing operations.