The co-extruded poly mailer is made of poly film, by special machinery, which is co-extruded from many kinds of plastic resins with different functions.

共挤膜袋是由具有不同性能的多种塑料材料共挤而成的薄膜，经特种机器制袋而成。

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Plastic resins are used in the production of reels to create a good balance of physical and mechanical properties, which allow for consistent high quality reels.

塑料树脂被用在制造卷盘因为物理稳定性和机械特性良好，卷盘在保持高品质上是一致的。

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Founded in 1995, Planet Asia is a value added supplier of industrial chemicals, plastic resins, tubings and films for medical products; polymer products and pollution control systems.

新加坡环亚私人有限公司成立于1995年，是工业化学品、塑料树脂、医用级的管子和薄膜、聚合物产品和环保控制系统高附值的供应商。

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As it got better at concocting multilayered devices from plastic resins, it moved on to computer circuit boards.

FORBES: It's all in the packaging

Great Lakes produces bromine-based flame retardants for plastic resins, polymer additives, fine chemicals for drug production and swimming pool chemicals.

FORBES: Paddling Upstream

To assemble these little critters, Ibiden has developed its own plastic resins and a new process for building up layers of plastic that contain intricate patterns of copper wiring (see diagram).

FORBES: It's all in the packaging