The quality of film selection of optical grade polyester film.
而优质膜选用光学级聚酯膜。
At present there is increasing demand for special polyester film in domestic market.
目前国内特种聚酯薄膜市场的需求在不断增长，国际市场前景更加广阔。
At present there is increasing demand for special polyester film in domestic market.
目前国内特种聚酯薄膜市场的需求在不断增长，国际市场前景更加广阔。
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