Customer Size Custom Food Grade Solid Stopper Multi Specification Conical Silicone Rubber Plug Suitable for Various Uses

Dongguan Yunze Silicone Products Co., Ltd. is a professional silicone & rubber manufacturer headquartered in Xiegang Town, Dongguan, Guangdong — the core of the Pearl River Delta manufacturing belt, with convenient port access and a complete industrial supply chain. With 11 years of manufacturing experience, a 5,000+ ㎡ production facility and 51–100 skilled employees, we are a comprehensive enterprise integrating R&D, in-house tooling, production, quality control and after-sales service.

Our 5,000+ ㎡ plant is equipped with CNC machining centers, EDM (electrical discharge machining) and precision grinding equipment for self-developed molds, together with LSR (liquid silicone rubber) injection machines and vacuum hydraulic compression molding presses. This full-process capability — from mold design and fabrication to molding, trimming and final inspection — ensures stable quality, short lead times and consistent mass production.

• Industrial Sealing Parts — silicone and rubber seals, gaskets and custom sealing components for electronics, machinery and automotive.
• High-Temperature Masking Plugs & Protective Caps — heat-resistant masking plugs and caps for coating, plating and powder-coating processes.
• Cable Grommets & Wire-Harness Seals — precision cable grommets, bushings and wire seals.
• LSR Precision Components — liquid silicone rubber injection-molded parts with tight tolerances.
• Solid Silicone Balls for Vibrating Screens — high-rebound solid balls for industrial powder sieving, chemical screening & fluid check valves.
• Silicone Extrusion Profiles, Strips & Tubing — weather-resistant, flame-retardant extruded sponge strips, D/P-profiles and high-temp tubing.
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We provide full OEM/ODM support: rapid prototyping from 2D/3D drawings, mold development in about 3–5 days for new projects, material and color customization, hardness selection from 20–80 Shore A, and customized packaging. Our engineering team works closely with customers to turn concepts into production-ready parts efficiently.

Quality is controlled at every stage under strict in-house quality standards and standardized production. Our materials and products comply with FDA 21 CFR, LFGB, RoHS and REACH standards, supported by an in-house testing laboratory and more than 10 R&D and QC engineers. Reliable quality, on-time delivery and responsive service are the foundation of our long-term partnerships worldwide.