Welcome to Shandong Hongrui New Material Technology Co., Ltd!
Service hotline:0531-88876900

The company took the lead in formulating the industrial standard release of medium molecular weight PIB, which was implemented on June 1, 2015

Column:Corporate news Time:2015-01-22 Browsing volume: 986

    On December 31, 2014, the industrial standard of medium molecular weight polyisobutylene was issued and implemented on June 1, 2015.

欧美mv日韩mv国产mv网站九一网站免费看nba刘玥留学全集在线网址中文字日产幕乱六区在线免费mv网站永久免费链接链接链接