TZ has carried out extensive international scientific and technological cooperation from the beginning of Reform and Opening up. In the early stage of cooperation, TZ introduced foreign advanced technology. By digestion, absorption and re-innovation, the technical level is improved, and the same stage competition with international excellent companies is achieved. In recent years, the company has continued carrying out international scientific and technological cooperation, with the introduction of foreign technology, talents, or cooperative R&D, to solve thetechnology requirements which are urgently needed in the enterprises development. Through digestion and absorption, and innovation, TZ has mastered the core technology with independent intellectual property rights. With capital operation, TZ conducts mergers and acquisitions of overseas enterprises or establishes joint ventures. TZ has established an overseas R&D platform (German CEC R&D Center) from acquired overseas companies to attract overseas talents.

Meanwhile the technical backbones has been selected to investigation, study, exchange, train, and further study abroad to improve the quality of the company's technical team. TZ hire foreign experts to carry out guidance, training and exchanges, expand the vision of the company's scientific and technical personnel, and cultivate internationalization ability.