Chang Technology Company Limited Shenzhen, established in 2003 and headquartered in Shenzhen High-tech South, is specialized in the projector product development, production, marketing, maintenance for a modern high-tech enterprises. R & D personnel accounted for 80% or more, is the design capacity and sales in the world's leading independent design companies and suppliers. 
 Company and Tsinghua University, Texas Instruments (TI) long-term co-operation, commitment to the field of micro-projection display development and production, and accumulated rich experience, the products are suitable for families, entertainment, business, multimedia teaching, meetings and other places. 
 The company has a stable customer base, mainly occupied in the high-end market, and sold more than 10 countries and regions at home and abroad. 
 The company has strong technical and marketing capabilities, operating principle is based in Shenzhen, the country, relying on the efforts of our excellent staff for the majority of users and consumers, partners to provide quality products and excellent service. 

 Business philosophy: customers first, improving service 
 Integrity management, and common development!