久久精品国产72国产精_午夜在线视频_av在线资源观看_亚洲精品乱码久久久久v最新版_亚洲高清免费看_日韩欧美三级视频

HOME
新聞動態

HOdo’s tire brand wins technology innovation award

Published in:

Jiangsu General Science Technology Co won the Technology Innovation Award at the seventh Summit Forum for China Eucommia Industry Development in Hunan, Nov 28. It’s the only tire brand in domestic to win the award.

The modern species of Eucommia is known as the "hard rubber tree", while its latex is easy to crystallize at normal temperature and its amount in the bark is relatively small, about 4 percent by weight.

After years of unremitting efforts, Jiangsu General Science Technology Co applied Eucommia’s latex to tread rubber successfully, making abrasive resistance increase 30 to 40 percent. Vehicles with such tires are expected to run 300,000 kilometers.

主站蜘蛛池模板: 国产免费www | 日韩性猛片aaaaaaa做受 | 色av综合在线 | 亚洲AV日韩AV永久无码色欲 | 中文字幕亚洲无线码在一区 | 岛国一区 | 亚洲成人久久一区 | www.免费av | 亚洲激情视频在线 | 国产一级淫片91aaa激情 | 精品久久久久久中文字幕一区二区 | 人人干影院 | 97天天综合网| 国产精品不卡在线观看 | 欧美浓毛大泬毛茸茸 | 亚洲精品无码午夜福利中文字幕 | 美女扒了内裤让男人桶 | 热久久999| 国产欧美日韩综合视频专区 | 麻豆乱码国产一区二区三区 | 168黄色网 | 就去色成人网 | 国产午夜精品免费一区二区三区视频 | 国产精品成熟老女人 | 中文字幕人妻少妇av一区二区 | 国产精品xxxx欧美综合 | 国产成人人综合亚洲欧美丁香花 | 一区二区三区国产精品 | 亚洲一区AV在线观看 | 久久久国产精品免费a片3d | 韩国的无码av看免费大片在线 | 国产微拍精品 | 久久久综合av | 日本一二三区免费 | av免费播放| 国产午夜一级在线观看影院 | 国产精品卡1卡2卡3 国产视频日韩精品 | 91成人入口| 亚洲日韩在线中文字幕第一页 | 亚洲欧美偷国产日韩 | 九九热线视频只有这里最精品 |