国产成人精品视频,亚洲人午夜射精精品日韩,免费同性男男黄A片免费,最好看的日本字幕MV视频,人人妻人人澡人人爽人人DVD,国产精品一区二区性色AV,东京热男人的天堂,国产三级精品三级观看,久久人妻少妇嫩草AV蜜桃漫画,北条麻妃42部无码电影,日本少妇做爰全过程毛片免费观看,色婷婷一区二区三区久久午夜成人 ,99久久久成人国产精品,一区二区三区在线播放,国产精品高潮呻吟,成人精品一区二区三区无码视频

NEWS

The ordinary PU foam polyether as an important chain of Polyurethane Flexible Foam Industry, foaming with TDI at the same time. However, its poor competitiveness, cannot be compared with TDI. Polyether production capacity oversupply, mainly due to price fluctuations driven by raw materials PO. PO hike of raw materials, polyether manufacturers cost pressures with inflation. There are exceptions, such as the recent PO prices and polyether price is almost the same, emboldened polyether factory price impulse, however, the prices cannot be increased. Although the final may still be passive with the rise, and then slow to respond.

PPG monomer polyether production in 2012 is about 3.5 million tonnes. Comparing with 2011, it increases 8%. PPG industry in China is relatively dispersed. The monomer polyether manufacturers are more than 30 . The production capacity ranked the top five companies accounted for less than 40% share of overall production capacity, which are the JR ningwu 8.5%, Jiahua chemicals accounted for 7.4%, CNOOC and Shell  7.1%, Blue start Dongda 5.7%,  Shanghai Sinopec accounted for 5.1%.

在線客服

電話:+86-750-5602778

時(shí)間:8:00 - 18:00

镇赉县| 望江县| 卓尼县| 望城县| 桐乡市| 手机| 肥西县| 林西县| 万安县| 从江县| 遂宁市| 神农架林区| 罗山县| 鄢陵县| 怀远县| 大埔县| 富裕县| 安西县| 固安县| 宁都县| 武冈市| 东方市| 玉田县| 迁安市| 察雅县| 昌图县| 北辰区| 准格尔旗| 青浦区| 巴里| 洛扎县| 丹巴县| 象山县| 文登市| 庄浪县| 读书| 阿瓦提县| 镇坪县| 昌黎县| 谢通门县| 道真|