Qingdao Wei Connaught Chemical Co. (www.qdweinuo.com) is located in Building 11 on the 7th Qingdao Jiaozhou outlets Taiping Road, Contact: Feng Zhongying can erode glass, rubber, leather, cork, etc., at high temperatures down into N2, NH3 and H2; hydrazine highly hydrazine hydrate manufacturers, halogen, HNO3, KMnO4 and other violent reaction with the company's main chemical raw materials and products of the manufacture and sale of hydrazine hydrate plant, with the largest acetic acid, rubber vulcanization accelerator such as the production scale and capacity, the company introduced the 15,000 tons / year of hydrazine hydrate technology has high reaction efficiency. Pathways: inhalation, ingestion, percutaneous absorption of gases dissolved in accordance with law: This gas is any gas solubility in water at the air-water interface partial pressure and temperature related. Boiler feedwater oxygen commonly used methods: thermal oxygen, vacuum oxygen desorption of oxygen, steel scrap and dosing oxygen, oxygen and other sponge iron at room temperature filter. Boiler feedwater oxygen? If yes, oxygen pressure and boiler pressure essentially no relationship