久久之精品,91成人在线视频,免费网站啪啪,一级黄色录像片子,国产一级二级在线播放,日韩在线小视频,美女自卫慰黄网站免费

您的瀏覽器版本太低，將不能正常瀏覽。請(qǐng)升級(jí) Internet Explorer或使用Google Chrome瀏覽器。
如果您在使用雙核瀏覽器，請(qǐng)切換到高速 / 極速 / 神速 核心。
ABOUT
Weifang Zhenxingrisheng Chemical Co., Ltd is a wholly-owned subsidiary of Shandong Weijiao Group, with the registered capital of 100 million yuan.The company has 2 sets of 100 thousand t/a crude benzol hydro-refining devices and 1 set of 60 thousand t/a PBT new material production device. The leading products include pure benzene,toluene, xylene, PBT resin, tetrahydrofuranand other basic chemical raw materials.
MORE
PRODUCT
PBT
Pure Benzene
Xylene (C8H10)
Toluene (C7H8)
Heavy Benzol
NEWS
VIEW