ilter materials branchEngineering &Technology Division of AT&M,and Ningbo Research &Design Institute of Chemical Industry Co., Ltd, which merge into Advanced Technology &Environment Engineering Technology Co., Ltd (ATEET), and operates seven departments, including technology development equipment manufacturing engineering departmentfiltration &purification engineering departmentenergy saving engineering department manufacturing departmentgeneral management and finance department. Advanced Environmental Engineering Technology Co.,Ltd (AEET) engaged in the business includes, products and R&D of metal porous material and its application on gas-solid, liquid-solid separation by filtration and other heterogeneous system, metal press forming processing technical and equipment ,and chemical engineering pressure vessel design.