Industry Overview - The sealing ring industry is undergoing multiple transformations due to material innovation, process upgrades, and increasing customization demands as industrial intelligence accelerates towards 2025 [1] - The demand for high-performance sealing components, such as high-temperature resistance, corrosion resistance, and long lifespan, is significantly rising against the backdrop of stricter environmental regulations and enhanced equipment precision requirements [1] Company Profile - Hebei Shanghui Rubber and Plastic Technology Co., Ltd. is a high-tech enterprise focused on new material research and production, forming systematic solutions in the field of special sealing components [1] - The company has established a professional R&D team and an intelligent production system, equipped with specialized equipment like polyurethane casting platforms and rubber extrusion machines to support material composite structures and precision control [1] Product Development - The company optimizes rubber formulas and vulcanization processes to ensure product stability under extreme conditions, meeting new industry requirements for sealing components' medium resistance and aging performance by 2025 [1] - Silicone rings, due to their temperature resistance and environmental characteristics, have become a key demand category in the medical and food equipment sectors [1] - The company adjusts phenyl content and silica reinforcement ratios to maintain the elasticity modulus of silicone rings stable within the temperature range of -60℃ to 250℃, meeting dual standards of extractability and biocompatibility for medical devices [1] - For the sealing needs of electric vehicle battery packs, the company has developed fluorosilicone rubber sealing rings that can delay heat spread time in thermal runaway scenarios after passing flame retardancy tests [1] Performance Enhancements - Rubber strips and rubber sleeves, as key dynamic sealing components, directly affect equipment operating energy consumption and maintenance cycles [3] - The company has developed ultra-long rubber strips using ethylene propylene diene monomer (EPDM) and hydrogenated nitrile rubber, achieving a cross-sectional shape tolerance control within ±0.1mm through extrusion process optimization, which can reduce friction coefficients by 30% when applied to rail transit door systems [3] - In the hydraulic support sealing field, the company designs multi-layer composite rubber sleeves that maintain sealing interface integrity under working pressures of 80MPa through fiber reinforcement and rubber bonding technology [3] Customization and Quality Control - The company has formed a rapid response mechanism to meet the personalized sealing solution demands of the industry by leveraging non-standard customization capabilities [3] - Through the collaborative operation of vibrating knife cutting machines and CNC milling machines, the company can achieve rapid prototyping of small batches of irregular sealing rings within 48 hours [3] - In quality control, the company employs a temperature gradient control system in flat plate vulcanization machines and online detection equipment to ensure that the hardness deviation of each batch of sealing rings does not exceed ±3 Shore A [3] - For rubber strip products, laser scanners are used for full inspection of profile dimensions to eliminate micro-defects in sealing lips, enabling an average fault-free duration of over 3000 hours in high-pressure scenarios such as automotive turbocharging systems [3]