Bost Custom Plastic Injection Molding for Advanced Engineering Plastics

Bost — Your Partner for Custom Plastic Injection Molding of Engineering Plastics

Industry-leading Expertise

Bost is a professional, innovative, high-tech green energy engineering plastics manufacturer specializing in research and development, production, and sales. We provide end-to-end services for custom plastic injection molding, combining deep materials expertise with mold design, precision machining, and scalable production to meet demanding specifications.

Advanced Materials & Special Properties

Our portfolio includes coda, ultra-high anti-scar, super corrosion resistance, super fatigue durable, ultra-abrasion resistant, and high-temperature transparent engineering plastics. Bost also offers enhanced toughening, flame retardant, conductive, and thermally conductive formulations — all optimized for custom plastic injection molding to deliver performance in harsh environments.

Full-Service Mold Design & Manufacturing

We maintain a high technical level in plastics modification R&D and in-house mold design and manufacturing. From prototype tools to high-volume production molds, our mechanical processing and tooling teams ensure precise, repeatable parts that reduce cycle time and total cost for your custom plastic injection molding projects.

Integrated Steel-Plastic & Multi-Material Solutions

Bost excels in complex combinations like steel-plastic and plastic-rubber assemblies. Our multidisciplinary production capabilities enable overmolding, insert molding, and hybrid components — delivering durable products with superior mechanical and aesthetic performance.

Quality, Sustainability & Customer Focus

Committed to quality and customer satisfaction, Bost applies rigorous testing and green manufacturing practices. Our team works closely with customers to tailor material selection, tolerances, and finishes, ensuring that each custom plastic injection molding solution meets regulatory and performance goals.

Applications & Get Started

Serving automotive, energy, industrial, consumer, and medical markets, Bost transforms challenging requirements into manufacturable solutions. Contact our experts today to discuss prototype development, tooling, or high-volume production and discover how our custom plastic injection molding capabilities can accelerate your product success.