Established in 2001, Sichuan Tianyi Comheart Telecom Co., LTD is a subsidiary of Sichuan Tianyi Group which sespecializes in manufacturing heat shrink closures, heat shriankable joint closures, ....
Company profile Leading Technology and Broad .... University, Henan University, Tianjin University, and Sichuan University. They each have more than 10 years experiences in the battery field and....