CTIEI is a Grade-A company with good experience in chemical fiber engineering design. Since 1952, CTIEI has completed engineering work for more than one thousand (1,000) large- and medium-scale projects, including printing & dyeing factories, chemical fiber plants, petro-chemical complexes and civil architecture, etc at home and abroad. CTIEI also holds a Grade-A Qualification for Environmental Protection Engineering equipped with environmental engineering lab and chemical test room to provide technical consultation, engineering design, engineering debugging, project contacting and technical training, etc in relation to environmental protection projects.