... Ltd. is a joint venture. Our partners Sbw Turbo Machinery Corporation and ROTEN-MSG have more than 60 years experience ... Sealing Co., Ltd. manufactures high quality dry gas seal and mechanical seals for pumps, mixers, agitators and compressors, covering applications ... :- Standard mechanical seals (John Crane, Burgmann, ROTEN)- OEM dry gas seal mechanical seals (Gundfos, APV, FRISTAM, Alfa-Laval, SIHI, ...