69久久夜色精品国产69老人|亚洲综合AV色一区二区三区|午夜无码综合久久|91久久久无码国产一区二区蜜臀
天津眾泰材料科技有限公司
主頁>研發(fā)中心


CHINATECH聚焦高性能聚酰亞胺單體的研發(fā)和生產(chǎn)


We focus on PI monomers only. 


立志成為世界上最優(yōu)秀的聚酰亞胺單體生產(chǎn)商


To be one of the best PI monomer manufacturers in the world.


與世界知名公司通力合作,致力于改變?nèi)祟惿?/span>


Cooperation with the most famous companies in the world to provide a better life to human-beings.


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