Class Approved Services Providers

Seastars Marine Services is a Nantong-based contractor focused on environmental compliance and condition-related services for commercial shipping using the lower Yangtze River. The firm is recognised by ABS, ClassNK, DNV and Korea

Seatech (Shenzhen) Marine Engineering Co., Ltd. is a marine safety service contractor based in Shenzhen, Guangdong Province, serving vessels calling at the Pearl River Delta ports of Shenzhen-Yantian, Shekou, Chiwan, Mawan, Guangz

Seeboo Marine Service (Dongguan) Limited is a marine safety service contractor based in Dongguan, Guangdong Province, with workshop facilities at Chuangye West Road in Machong Town. The location places the team within easy reach o

Senda Steel Plate Thickness Measurement is a Shanghai-based inspection contractor specialising in hull ultrasonic thickness gauging and complementary tightness testing for commercial shipping using the ports of the Yangtze Delta.

Senhai Marine Co., Ltd. is based in Nantong, Jiangsu Province, providing marine safety and inspection services to commercial vessels calling at Yangtze River estuary ports and along the East China coast. The company brings togethe

Seven Seas Electronic Co., Ltd., founded in 1996 and headquartered in Shanghai, is a Chinese marine electronics specialist focused on communication, navigation, safety and security systems for ocean-going tonnage trading worldwide

Seven Seas Marine International is a marine radio and electronics service provider headquartered in Kaohsiung, Taiwan, with affiliated offices in Shanghai and Singapore operating under the wider Seven Seas Marine group. Technician

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. is the Shanghai-based operational arm of SGS-CSTC, a joint venture established in 1991 between the SGS Group of Geneva and the China Standard Technology Development Corpor

Shandong Banglin Testing Co., Ltd. is an inspection contractor based in Yantai on the Shandong coast, focused on environmental compliance and condition-related services for commercial shipping using the ports of the Bohai and Yell

Shandong Haisheng Oceaneering Group is based in Dongying, on the Shandong coast at the mouth of the Yellow River, and supports merchant shipping with underwater inspection, hull integrity testing, tightness verification and non-de