TIANHUA research institute of cleaning is directly under TIANHUA research and design institute of chemical machinery and automation. It s mainly engaged in research ,construction and business of chemical cleaning field and origin of chemical cleaning of China, and had passed 9001 quality system.. lan-5 ,lan-826,lan257c and th-901 are awarded the third grade prize of China national science and technology bureau. It is own the first grade certificate of chemical cleaning and anti-corrosion construction.
there are a large number of experience staff in it many of them led or participated large-scale chemical cleaning projects, for instance, NanJing YangZi petrochemical company 300.000t/a ethylene and 450.000t/a aromatic hydrocarbon equipment. QiLu petrochemical company 340.000t/a ethylene equipment. XinJiang DuSanZi 160.000t/a ethylene and MaoMing 300.000t/a butadiene equipment. lanHua 80.000t/a ethylene cracker equipment. ZhongYuan fertilizer factory, ShanXi fertilizer factory. FuJian MeiZhouWan power station established by USA Bechtel company. Exchange equipment of lanZhou TELECOM. And YinChuan TELECOM.bureau,etc.