Qingdao Sunray Boiler Equipment Co. Ltd. (QSBC)

QINGDAO SUNRAY BOILER EQUIPMENT CO. LTD. (QSBC) is a specialized manufacturer and supplier of marine boiler components and heat exchange equipment, headquartered in Jiaozhou, Qingdao, Shandong Province, China. The company focuses on the design, manufacture and supply of high-quality marine boiler spare parts and auxiliary heat transfer equipment for the global maritime industry.

QSBC's core products include marine boiler components (generating tubes, screen tubes, superheater elements, water wall panels), economizers and waste heat recovery systems, extended surface finned tubes (spiral, H-type, studded), as well as complete boiler auxiliary equipment. The company manufactures components compatible with major marine boiler brands including Aalborg, Kangrim, Kangrim Sunray, Mitsubishi, and other leading OEMs. Products are supplied both as direct replacements and as new-build components.

The manufacturing facility in Jiaozhou covers approximately 30,000 square meters and is equipped with specialized tube bending, welding, and finning production lines. QSBC maintains ISO 9001 quality certification and products are manufactured to classification society standards including CCS, DNV GL, Lloyd's Register, ABS and Bureau Veritas. The company exports to shipyards, ship owners, and ship management companies worldwide, with an established distribution network across Asia, Europe, and the Middle East.