While their portfolio includes many standard valves, MAPAG's real strength lies in the production of high-performance, engineered and specialty valves.

MAPAG产品不仅包括标准蝶阀，还生产各种高性能蝶阀，工程设计和特种蝶阀。

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Scientists at Wake Forest have successfully engineered more than 30 tissues and organs, including miniature livers, heart valves -- even printing organs such as human skin and kidneys -- in the lab.

CNN: Scientists 'seed' cells, make new organs