tianjin changlu haijing biaxially oriented nylon film project started construction
latest news: on september 20, tianjin changlu haijing group’s annual production of 24,000 tons of biaxially oriented nylon film project started construction. according to reports, the project adopts the leading technology of asynchronous biaxial stretching with a width of 6.6 meters in china, and builds two asynchronous biaxial stretching nylon production lines with a single-line…

