Tianjin Sigma Business Services Co., Ltd., specialized in translation services, with more than ten years of translation experience, outstanding reputation, a strong group of specialized translators, interpreters and computers, and Trados system, can translate various written materials and books into many languages used worldwide. The specialties involved are machinery, electronics, telecommunication, economy, finance, security, law and medicine. The various forms of written materials are technical specifications, manuals, sci-tech thesis, feasibility reports, company's financial reports,...