
Company Profile Ningbo Zhongsheng Ruida International Trade Co., Ltd. is a comprehensive enterprise integrating semi-trailer R&D and sales with high-end base oil global trading. Headquartered in Ningbo, Zhejiang, we leverage the city's superior port logistics and foreign trade environment to provide transport equipment and industrial base oil products to customers worldwide. Semi-Trailer Business (Core): We have entered into an official designated distribution partnership with Shandong Yuncheng Jianxing Special Vehicle Manufacturing Co., Ltd. The production base covers over 60, 000 sqm and employs more than 300 technical staff. Our main products include container skeleton semi-trailers, flatbed semi-trailers, fence semi-trailers, lowbed semi-trailers, dump semi-trailers, bulk cement tankers, car carriers, side curtain vans, oil tankers, and custom special-purpose vehicles. All trailers are manufactured using automatic submerged-arc welding and CO2 gas-shielded welding, followed by shot blasting for enhanced strength and corrosion resistance. Key components are sourced from world-renowned brands such as BPW axles and JOST landing gear. Our products have been exported to over 20 countries and regions across Africa, the Middle East, Russia, Southeast Asia, Australia, and South America. We hold CCC (China Compulsory Certification) and ISO9001: 2000 quality management system certification, and fully support OEM/ODM customization. Base Oil Business (Supplementary): We supply high-quality Group II mineral lubricating base oils, featuring high purity and stable quality. These products are widely used in lubricant blending, plastics and rubber processing, metal cleaning and stamping, industrial additives, and other fields. Our Commitment: Adhering to the philosophy of "Safe, Reliable, Practical, " we provide one-stop integrated supply services and are dedicated to being a trusted long-term international trading partner for customers around the world.