4hu四虎永久在线观看 I 国产综合激情 I 久久精品xx老女人老配少 I 97se狠狠狠综合亚洲狠狠 I 国产精品视频yy9299 I 国产偷国产偷精品高清尤物 I 精品国产免费一区二区三区香蕉 I 欧美综合天天夜夜久久 I 久久亚洲色www成人男男 I 欧美久热 I 国产乱码精品一区 I 成人无码h在线观看网站 I 国产午精品午夜福利757视频播放 I 国产成人无码精品久久久露脸 I 国产成人亚洲综合无码精品 I 久久黑 I 在厨房拨开内裤进入在线视频 I 亚洲男人成人性天堂网站 I 久久久亚洲国产 I 91视频网 I 超碰在线国产97 I 日韩男女网站 I 91精品一久久香蕉国产线看观看新通道出现 I 欧亚一区二区 I 亚洲人 屁股 鞭打网站 I 华丽的外出在线观看 I 91久久久久久亚洲精品禁果 I 美女高潮无遮挡免费视频 I 五月婷婷亚洲 I 我爱av网 I 久久精品无码一区二区无码 I 国内精品自线一区二区三区视频 I 神马三级午夜 I 97 超级碰碰 I 黑丝美女久久久

1996　Wealthy's predecessor-Suzhou Xin Ri Fine Chemical Co., Ltd. was established.

1999　Wealthy Chemical Industry (Suzhou) Co., Ltd. was established with annual production capacity of 3,000MT.

2001-2004　Wealthy new factory in East Shihu Road went into production. All phase I,II, III projects went into production within 3 years with total production capacity of 10,000MT.

2010-2012　The first phase of Changshu Wealthy Science and Technology Co., Ltd. has been put into operation, with three independent production workshops designed, each with an annual production capacity of nearly 10000 tons.

2015　Shanghai Jiaohang Trading Co., Ltd. wholly owned by Wealthy, was established in Shanghai.

2016　The phase II project with the designed annual production capacity of 30,000mt of Sodium Carboxymethyl Cellulose has been put into operation.

2021　The phase II project has been put into operation with a production capacity of nearly 60,000 tons.