Zhanjiang Yinzhou Technical Consultation & Engineering is based in Zhanjiang, Guangdong Province on Hai Chang Road, and is associated with China Classification Society Industries Co., Ltd. (CCSI), the commercial-services subsidiary of China Classification Society. The firm shares the ccsi.com.cn corporate email domain used by CCSI offices across China. CCSI runs nationwide programmes for ship-survey supervision, non-destructive testing administration and training, supported by dedicated permission-management systems for supervision projects and NDT and a customer-service portal for supervision clients. Zhanjiang Yinzhou's recognised service categories in the source dataset reflect a comprehensive shipboard safety scope covering periodical testing of life-saving and fire-fighting appliances, lifeboat and rescue-boat servicing, liferaft servicing, davit and launching systems, fire-extinguisher recharge, fixed fire-fighting systems including CO2, foam and water-spray, hose and hydrant testing, breathing apparatus including EEBD and SCBA, hatch-cover ultrasonic testing, lifting appliance and gear survey, and watertight integrity testing. ABS and CCS service-supplier approvals are cited for ZHANJIANG YINZHOU TECHNICAL CONSULTATION & ENGINEERING CO., LTD.. Zhanjiang is one of Guangdong's principal deep-water ports, handling crude-oil, iron-ore and container traffic on the western Guangdong coast, and serves as the regional base for CCSI's southern-China consultation work.