中文字幕亚洲码在线观看丨奇米影视888欧美在线观看丨日日草夜夜草丨日本人又黄又爽又色的图片丨午夜午夜精品一区二区三区文丨清纯唯美亚洲色图丨国产人碰人摸人爱视频丨理论片午午伦夜理片久久丨国内精品久久久人妻中文字幕丨国产丝袜精品视频丨av免费网址丨奇米影视777第四色丨凹凸在线无码免费视频丨天天草天天操丨91成人福利在线丨久久精品视频2丨久草视频福利丨99成人在线视频丨视频二区欧美丨黄色在线观看国产

ABOUT CHANHEN

About?Us

2002-2004

2002

2002

In September with 8 million CNY, the founders came to Guizhou. With perseverance, Chanhen people completed the construction of 50kt/a feed grade calcium hydrophosphate production line in four months, and successfully started the operation in January 2003.This spirit of fearless, innovative and enterprising, was known as "Chanhen speed" at that time.

2003

2003

In December the first set of 30kt/a hot process feed grade Monocalcium Phosphate production line was built up and successfully put into operation. In December, the company passed ISO9001:2000 standard quality system certification

2004

2004

The independent innovated and designed 30kt/a phosphoric acid concentration and purification device successfully operated. The industrialization of the whole set wet-process phosphoric acid producing MCP had achieved 50kt/a capacity which filled the gap of this technology in China and laid the foundation for the deep purification of wet-process phosphoric acid.