Qingdao LET Flexitank Co.,Ltd is a professional corporation specializing in research, production,marketing and service of flexitank. As a professional flexitank supplier,LET flexitank has been concentrating on the research and design of product and have internationally advanced flexitank-producing equipments and technology. LET flexitank has achieved ISO9001 qualification and achieve the qualification of permission of railway transportation and has passed examination from national railway ...