Founded in 2007, SN is a world first-class supplier of commercial vehicle control system as well as parts and accessories. Shanghai Sennai Precision Machinery Manufacturing Co., Ltd. and Shangdong Sennai Technology Co., Ltd. are subordinate to SN. SN possesses nearly 10,000m2 workshops, over 200 employees, over 100 sets of precision equipment such as forging press, punch press, CNC lathe, machining center, core-free mill, welding machine, etc. We can meet needs of diversified metal production such as precision forging, rough machining, precision machining, punch molding, welding, wire cutting, bending, etc. We mainly produce brakes, conveyor chains, high-pressure common rails, oil atomizers, door hinges, knuckles, X348, X458, X678, HT698 and other die forging chains, MS scraper chains, caterpillar chains, oil cylinder accessories, agricultural machinery accessories, etc. 

SENO holds crucial certifications in quality management systems, including ISO 9001:2008 and ISO/TS 16949, to meet customer demands and other stakeholders’ needs while complying with relevant laws and regulations. To this end, stringent production standards are implemented throughout the entire manufacturing process to ensure absolute compliance with customers' specific requirements. At each stage of production, samples are extracted, and precision measurements are conducted, guaranteeing uniform and consistent manufacturing.