Main businesses include international EPC general contracting, large industrial equipment package, industrial control system engineering and services. The company mainly involves industries such as oil and natural gas extraction, petrochemicals, chemicals, and environmental protection. Ortho has over 20 years of experience in the petrochemical industry, has participated in the construction of numerous chemical projects. Among them, the EPC projects under implementation or completed include 250000 tons of EPS (polystyrene foam), hydrocyanic acid, NaCN (6000 tons of 98% solid sodium cyanide), 5000 tons of EDTA, PDH (propane dehydrogenation), etc. Ortho has accumulated rich experience in engineering technology, project management, and technical services.
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