Blog

At YJCPolymer, we manufacture high-precision silicone dispensing valves and support OEMs with full custom service and a true one-stop service from design and prototyping to volume production. Silicone dispensing valves look simple, but performance differences between suppliers are huge — and those differences determine leakage, shelf life, dosing accuracy, and user safety. Below I walk […]

At YJCPolymer, a high-quality manufacturer and factory specializing in pet feeding solutions, we help brands and retailers choose the right materials for dog bowls that balance safety, durability, cost, and manufacturability. Below is a practical, evidence-based guide to the most common dog-bowl materials, their pros and cons, and why—in many cases—we lean toward silicone and […]

Are you designing a compact medical pump, a portable respiration module, or a space-constrained consumer dispenser and wondering whether an umbrella check valve (mushroom valve, elastomeric umbrella valve, or silicone umbrella valve) is the right choice? At YJCPolymer we manufacture custom umbrella check valves and subsystems using advanced silicone rubber injection molding techniques. Below is […]

Choosing a safe, comfortable pacifier is one of the first decisions new parents make. But have you ever wondered what goes into a modern pacifier — the materials, the design choices, and how they’re manufactured? At YJCPolymer we design and produce custom silicone baby pacifiers and offer full OEM service, from material selection to validated […]

Are you troubleshooting a persistent oil leak or planning a performance rebuild and wondering whether a silicone valve cover gasket (also called a rocker-cover seal, cam-cover gasket, or engine cover seal) is the right solution? At YJCPolymer, we manufacture and supply high-quality, custom valve gaskets and offer one-stop service from material selection through production and […]

Are you choosing a production route for silicone valves — whether cross slit valves, one-way silicone valves, or high-volume ketchup valves — and wondering whether Liquid Silicone Rubber Transfer Molding (LSR-TM) or Liquid Silicone Rubber Injection Molding (LSR-IM) is the better fit? At YJCPolymer we help OEMs and designers evaluate trade-offs every day. This guide […]

Are you sourcing small dispensing valves for sauce caps, squeeze bottles, or single-serve packs and want to be certain the part you buy protects product quality and brand reputation? At YJCPolymer we design and produce food-contact elastomeric valves — from cross silt valves and one way silicone valve designs to high-volume ketchup valves — using […]

Silicone cross slit valves are integral components in fluid and gas control systems, offering precise flow regulation and reliable backflow prevention. As industries increasingly demand higher efficiency, compact designs, and long-term reliability, selecting the right silicone cross slit valve for your application is critical. Whether you’re looking for a custom silicone ketchup valve, one-way silicone […]

Are you evaluating silicone dispensing solutions for your next packaging project? Whether you design condiment bottles, cosmetic tubes, or portable travel containers, the tiny silicone cross-slit valve can make a disproportionately large impact on product performance and user experience. At YJCPolymer — a seasoned silicone rubber injection molding factory and manufacturer — we’re frequently asked […]

At YJCPolymer we know your product’s reputation depends on repeatable quality. That’s why we’ve embedded automated quality checks across our injection molding lines. If you’re an OEM, product designer, or sourcing manager searching for a manufacturing partner who delivers high-quality parts consistently, this article explains exactly how our factory turns data, vision systems, and tight […]