国内精品免费久久影院,欧美精品在线不卡,av在线免费看不卡,日本一区二区视频在线,天堂在线中文8,亚洲国产精品99,亚洲a资源

您的瀏覽器版本太低，將不能正常瀏覽。請升級 Internet Explorer或使用Google Chrome瀏覽器。
如果您在使用雙核瀏覽器，請切換到高速 / 極速 / 神速 核心。
Crude Phenol
Product
2020-03-28
Product Presentation:
Production capacity over 7,000 tons/Y.Through coal tar distillation,extraction & refining process,we can steady produce and suppiy high-quality products.Top and stable quality.
 
 
Use:
Crude phenol is used to produce various chenical products (phenol,cresol,xylenol,etc)widely used as base materials for phenol resin,fire retardants,semiconductor sealer,and insulated varnish.