Qingdao East Star Plastic Machinery Co., Ltd. is a physical factory specializing in the production of Automatic PS sheet extrusion production line PS Sheet Extrusion Line for Seed Tray made in china. It has its own R&D team and production workshop. It can not only produce Agricultural seedling PS seedling tray sheet manufacturing machine Is Easy To Operate.,but also SBS with a width range of 1000mm-3000mm. At the same time, we can process customized equipment according to customer requirements.our machine Improve production efficiency, reduce labor costs, and ensure the stability of product quality
Raw material pretreatment: Plastic particles + color masterbatch/additives are metered, mixed, and dried before being fed into the extruder.
Melting and plasticizing: The extruder's heated screw shears the raw materials into a homogeneous melt, filtering impurities and stabilizing pressure.
Die forming: The melt is extruded through a T-die to form a wide, flat sheet.
Calendar and cooling: The sheet is cooled under controlled temperature using a three-roll calender, leveled, and its thickness and surface finish are determined.
Traction and conveying: The traction machine pulls the sheet at a uniform speed, stabilizing tension and eliminating internal stress.
Edge trimming and cutting: Rough edges on both sides are trimmed, thickness is measured online, and the sheet is slit/cross-cut to length as needed.
Finished product winding: The sheet is wound into rolls, inspected, packaged, and stored.
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Our clients
"Global Vision, Trusted Choice. Every year, we welcome purchasing partners from five continents and four oceans. As the preferred supplier for many plastics processing companies worldwide, our machinery and equipment are continuously going global. No matter where you come from, we provide you with customized equipment solutions with the same professionalism and enthusiasm, helping your business succeed on a global scale."
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As a factory with extensive international trade experience, we consistently adhere to a core focus on quality and a technology-driven approach. Our plastic machinery not only enjoys a high reputation in the domestic market but also shines brightly in the international market, with large quantities of our products exported to countries worldwide each year. Over the years, we have earned the widespread trust of global customers thanks to our stable equipment performance and comprehensive after-sales service system, making us a long-term partner you can rely on.
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