With more than 15 years development and enlarge the business scope, we, Yantai Leo Economics & Trade Co.,Ltd is dedicated to R&D the TPU film technology. Our production line had been increased with fast due to the more marketing demands , Bolwing film production line had been increased from 3 lines to 9 lines, and Casting film production line from 6 lines to 14 lines. The capacity of production is around 30,000mt≈ 40million m2.