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| While engaged in engineering design, CTIEI has kept developing new technologies. CTIEI possesses home-made PET technology & equipment, proprietary technology for polymer jacket-pipe design, Anaerobic-Aerobic-Biological Carbon technology for waste water treatment, energy-saving air-conditioner for textile sector, home-made technology & equipment for viscose Staple fiber. CTIEI also owns several patents for PET and PTA, which have been widely used for production with favorable economic and social benefits. |
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