精品少妇无码一区二区三批,中文字幕人妻系列人妻有码,欧美午夜精品福利在线观看,中文字幕精品一区二区三区在线

   Weihai Helen New-Material Tech Co.,Ltd was founded in 2013.It is a key project introduced by Rushan municipal government, covering an area of 100 mu with a total investment of 250 million yuan.The planned construction land area is 58075 square meters ,with a total of 21320 square meters of new production workshops and 2595 square meters of comprehensive buildings.

Our company is mainly engaged in the production of environment-friendly halogen-free flame retardants，with an an annual production capacity of 10000tons. The products can substitute flame retardants that produce dioxins and corrosive gases in combustion. It is a hightech company that integrates R&D, production, training, warehousing, sales and other functions into an environmental protection new halogen-free flame retardant project.