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From 1993 to 2011, Huahai succeeded in developing rubber dam and got relevant patents. It developed a series of oil booms, oil skimmers and other oil spill response equipments and got awards from government. Huahai also got great achievements on oil spill monitor and oil spill recovery vessels.
In 2002, we set up enterprise technical center and undertook 3 national projects, obtained 3 patents for invention and 9 patents for utility models, won 5 national awards, 9 provincial awards and more than 10 city-level awards and participated in setting 3 industry standards over the last few years.