五月婷婷丁香激情-高h教授1v1h喂奶-极品女神无套呻吟啪啪-国产成人jvid在线播放-人妻 丝袜美腿 中文字幕-区产品乱码芒果精品综合-狼群精品一卡二卡3卡四卡网站-91丨九色丨蝌蚪丰满-日韩精品久久无码中文字幕-五月天黄色av-国产在线不卡一区二区三区-国精品一区二区-国产精品一区二区免费看-国产精品视频看看-国产素人在线-亚洲 综合 校园 欧美 制服-亚洲精品国产欧美一二区-天天干影院-九九久久久-麻豆av一区二区三区久久

The 13th China International Polyurethane Exhibition in 2015 was held in Guangzhou Poly World Trade Expo Center from August 31 to September 2, 2015. Our company has successfully participated in this exhibition. This time, we will focus on launching a series of new products, including surfactants for anti-shrinkage caulking agents, surfactants for high resilience, surfactants for slow resilience, and flame retardant surfactants, etc. New high-performance silicone products, thanks to the new and old customers for visiting!

Booth No.: 261