h网站在线,高清日韩无码一区二区,亚洲天堂高清久久久,欧美综合激情五月色

08

2021-07

Chemical equipment cleaning includes online cleaning and offline cleaning.

08

2021-07

Circulating water hanging plate experiment A, the standard corrosion test piece Ⅰ type...

08

2021-07

Measures for discharge of waste water by coal chemical enterprises The waste water disc...

08

2021-07

Operating principle of CASS process CASS process is a sequencing batch activated sludge...

Business

More information

Hydraulic treatment agent

The chemicals used in industrial circulating water treatment mainly include Scale Inhibitor, corrosion inhibitor, sterilization and algicide, cleaning agent, prefilm agent, etc. Common methods of industrial boiler water treatment include out-of-boiler water treatment and in-boiler water treatment, and the main chemicals used are: corrosion and Scale Inhibitor, deaerating agent, water supply alkali reducing agent, ion exchange agent, regenerant, softener, alkalinity regulator, scale remover, etc.

ABOUT US

Shaanxi Ande Technology Industry Co., Ltd.

Located in Xi'an, the starting city of the national "the Belt and Road economic belt", Cheng Liyu in February 2002 with a registered capital of 53 million yuan, it was successfully listed on December 29, 2015 (stock code: 834942). On August 15th, 2017, it signed the development strategy agreement with Henan Qingshuiyuan Technology Co., Ltd. (stock code: 300437) and became its wholly-owned subsidiary.
亚洲丰满人妻福利在完整版| 97人妻夜夜人妻夜夜爽一区二区| 国产淫家庭| 麻豆91视频在线播放| 五月天中文网在线| 欧美影院二区三人| 99无码熟妇丰满| 极品少妇一区一区三区| 国产一区二区性爱视频| 免费免费毛播放片| 久久人妻综合网| 91日韩大神片| 丝袜开心网| 性做久久久| 黄色三级电影免费看网站久久网站| 日本一道本一区二区不卡视频| 久久综合一本加勒比色丨久久精品无| 操美女逼91| 性色yyyyyy人妻中文字幕| 免费颜射少妇| 国产HD欧美HD一区二区三区| 麻豆网一二三区| 久久麻豆91| 99久久99中文字幕| 综合av网| 久久久亚洲免费视频| 后入内射少妇Aⅴ| 夭天干天天射天天添| 德令哈市| 麻豆三级国产国| 夜夜久久了| 日本久久道一二三| 1免费在线视频| 亚洲无码 天y| 久久久无码不卡| 欧美精品网站成人网站| 亚洲色欲亚洲色欲综合网| 欧美亚洲国产tv| 在线观看香蕉成人| 国产亚洲精品超碰在线第一页| 久久又黄又爽|