Yantai Kaida Nondestructive Testing Technology Service Co., Ltd. is a marine NDT and inspection company based in Yantai, on the northern Shandong coast facing the Bohai Strait. The team focuses on non-destructive testing and underwater inspection scopes that support classification society survey requirements on commercial tonnage and offshore tonnage calling at Yantai port and at the wider cluster of bulk, container, tanker and offshore terminals along the northern Yellow Sea. Technicians perform ultrasonic, magnetic particle, dye penetrant and visual examination of welds, plating and structural members, providing objective input to repair specifications, condition assessments and class survey attendance during periodical, intermediate and special surveys. Diver-technicians carry out in-water surveys of hull plating, sea chests, propellers, rudders, anodes and other below-waterline items, with video and report documentation prepared in formats accepted by attending surveyors during in-water surveys executed as alternatives to drydocking under classification society procedures. Yantai Kaida holds service supplier recognition under ABS and DNV for the relevant marine inspection categories, allowing reports issued from its NDT and underwater campaigns to be considered during class survey activities by major societies. The Yantai base provides convenient mobilisation to vessels at berth, anchorage or layup in northern Shandong and across the Bohai Bay, with NDT technicians and divers dispatched to suit owners tight commercial schedules. Customers include shipowners, ship managers, repair yards and P&I correspondents needing independent, documented evidence of hull and structural condition on commercial tonnage trading through northern Chinese ports. By combining NDT expertise, diving capability and dual class recognition, the Yantai team provides a focused inspection service to shipowners, managers and shipyards needing dependable structural and below-waterline assessments on commercial tonnage operating across the Bohai Sea trades.