日本免费一区不卡_人妻和中文字幕无码系列_久久看久久做久久精品_免费老妇女牲交视频网站

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。
Carbon Black Oil
Product
2020-03-28
Product Presentation:
Production capacity over 250,000 tons/Y,High-quality raw oil for the production of carbon black.JZC(JFE) unique production method,assuring steady supply.Top and stable quality.
 
Use:
The reinforcement materrials added in tire and rubber oproducts to increase abrasive resistance are widely used in the production of carbon black.The CB oil produced by our company is processed into high-quality carbon black and then made into rubber products.