Professional team, innovative technology, delivering quality products and services
Company Profile
Ningbo Xingrui Rubber & Plastic Technology Co., Ltd. is located in the Zhuangshi Industrial Zone of Zhenhai, Ningbo—a major manufacturing hub and port city in China. With over 20 years of deep industry experience, the company specializes in the R&D and manufacturing of rubber and silicone products. It operates as a comprehensive enterprise integrating material development, mold design, precision molding, quality inspection, and global delivery capabilities. Over the years, the company has consistently served diverse sectors—including industrial manufacturing, automotive components, electronics and electrical appliances, medical devices, and consumer goods—dedicated to providing clients with highly reliable rubber sealing and functional structural solutions. Its product portfolio encompasses both standard components and custom-engineered parts, such as O-rings, oil seals, sealing strips, and a wide array of complex, custom-shaped rubber and silicone products. These offerings are designed for use in demanding operating environments and real-world applications, earning the company long-standing recognition and trust from its clients.
Xingrui Rubber & Plastics is more than just a manufacturing enterprise; it is a comprehensive solutions provider in the field of rubber and silicone products. Centered on customer needs, the company has established an end-to-end service system, spanning from initial design to final delivery. During the product development phase, we offer structural optimization suggestions and manufacturability analysis based on client-provided drawings or specific application requirements. We also recommend optimal material solutions—such as NBR, EPDM, FKM, silicone, or liquid silicone—tailored to the intended operating environment. In terms of mold development, we possess in-house design and manufacturing capabilities, enabling rapid prototyping and trial molding for complex structures and uniquely shaped products. Our production processes include compression molding, injection molding, extrusion, and overmolding, allowing us to meet the diverse performance and structural requirements of various products. Furthermore, we maintain a rigorous quality management system—encompassing raw material inspection, in-process control, and finished-product testing—to ensure consistent standards in dimensional accuracy, physical properties, and stability. We can also facilitate third-party testing upon request, ensuring that our products comply with relevant industry standards and export requirements.
Focusing on core applications for rubber and silicone, we have developed a comprehensive product portfolio that encompasses sealing, cushioning, protection, and functional components. Our sealing solutions include O-rings, X-rings, V-rings, oil seals, rotary shaft seals (cased seals), various flat gaskets, and custom-engineered seals, which are widely utilized in mechanical equipment, automotive systems, and diverse industrial environments. We also possess extensive expertise in developing complex, custom-shaped rubber parts and rubber-overmolded components tailored to specific client requirements. Our range of sealing strips and extruded products covers automotive, construction, and industrial applications; these include E-profile, D-profile, and P-profile strips, as well as multi-component, co-extruded, and sponge-foam sealing profiles. For industrial and automotive use, we offer vibration-dampening pads, dust boots, protective sleeves, and rubber hoses, designed to meet the needs for vibration isolation, equipment protection, and fluid conveyance. Furthermore, our silicone product line—which includes silicone pads, keypads, and food-grade silicone components—serves the consumer goods and electronics industries. We also manufacture products using specialized materials such as fluororubber (FKM), EPDM, and liquid silicone rubber (LSR) to address demanding requirements, including high-temperature resistance, chemical resistance, and high-purity standards.
At Xingrui Rubber & Plastics, we prioritize quality and are guided by our customers' needs. We have established a rigorous quality management and production control system to ensure that every batch of products meets consistent, reliable standards for performance. We operate with integrity, valuing long-term, stable partnerships and proactively addressing our customers' requirements throughout the product development and manufacturing processes. Furthermore, we continuously invest in process improvements and technological innovation, refining our material formulations and production workflows to enhance both product performance and manufacturing efficiency. Leveraging our mature production system and large-scale manufacturing capabilities, we offer competitive product solutions. Looking ahead, we remain dedicated to the rubber and silicone products sector, committed to continuously advancing our technical expertise and service standards to become a trusted, long-term partner for our clients.
XR-Rubber