TIANJIN YA PU SCI & TECH TRADE CO.,LTD

TIANJIN YA PU SCI & TECH TRADE CO.,LTD comes into existence in 1992. It is a professional enterprises, mostly engaged in development, research, production and training of the technique of pressure sealing without stopping production. This technique is successfully and widely used in various enterprises including oil, chemical, fertilizer, power, metallurgy, medicine, chemical fiber, water supply, heat supply and air feed.