Paper chemicals, paper, paper making machinery, paper related environmental protection Paper chemicals, paper, paper making machinery, paper related
Paper chemicals, paper, paper making machinery, paper related environmental protection Paper chemicals, paper, paper making machinery, paper related
Paper chemicals, paper, paper making machinery, paper related environmental protection Paper chemicals, paper, paper making machinery, paper related
Chengzhi company relies on famous universities of China domestic，converting achievements in scientific research into productive force.Business scope includes supplying pu...
Zhengzhou City Chengzhi Industrial Co.,Ltd has passed ISO9001 quality certification，The company has development department、production department、Domestic and foreign trad...
During the last 20 years，The company has established a long-term friendly cooperative relationship with a dozen large and medium-sized enterprises which have more than 10...
1. supply research,production,sales of pulp&paper making,coating material,water treatment,cement,daily used chemicals； 2. Supply design,research,production,installing of...
Paper chemicals, paper, paper making machinery, paper related environmental protection Paper chemicals, paper, paper making machinery, paper related
cacacacacacZhengzhou City Chengzhi Industrial Co., LtdJanuary 29,2016EVERGREEN Metal work mainly cover Stamping and Welding operation. It has rich experience in precise Punching, Forming, and Welding.
Zhengzhou City Chengzhi Industrial Co., Ltd was established in 1999. We are a professional steel products supplier, offers a wide range of materials and have skilled and knowledgeable work force. We have own factory producing HRC,CRC,GI,PPGItablished in 1999. We are a professional steel products supplier, offers a tablished in 1999. We are a professional steel products supplier, offers a tablished in 1999. We are a professional steel products supplier, offers a tablished in 1999. We are a professional steel products supplier, offers a steel materials and cooperate with many steel factory including(H&I beams, steel angle,
There are two commonly used methods of bleaching pulp, Chengzhi Industry will introduce to you below:
Hydrogen peroxide aqueous solution has strong oxidizing properties. Due to its active chemical properties, it is easily decomposed into oxygen and water. Hydrogen peroxide is an environment-friendly a...
In hydrogen peroxide bleaching, adding an appropriate amount of sodium silicate can buffer the pH value during bleaching, and can reduce the adverse effects of transition metal ions, reduce the ineffe...
At present, hydrogen peroxide has become one of the most widely used chlorine-free bleaching agents. The method eliminates the toxicity of the bleaching wastewater while improving the whiteness of the...
