Injection Molding


The Injection Molding division of Den Hartog Industries provides injection-molded parts to meet the needs of a variety of industries, from medical and agricultural to OEM’s. This division molds lids, fittings, and other accessories for Ace Roto-Mold, continuing the company’s belief in vertical integration. The Injection Molding division also produces a wide variety of custom products in this fastest-growing segment of the plastics industry.

Accessory Parts

Many accessory parts used for Den Hartog Industries’ Ace Roto-Mold tank line are manufactured in our Injection Molding division.


Custom Injection Molding

Den Hartog Industries manufactures injection-molded custom parts for the agricultural, medical, industrial, and consumer markets in countless shapes, sizes, and colors.