| Process: raw materials (resins, accessories) - Inspection - batching - kneading (hot and cold mixed) - feed - extrusion molding - cooling and shaping - traction - cutting - testing - packaging - warehousing | |||
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Copyright ? 2016 ：Yantai Guolun Plastic Co., Ltd. All Rights Reserved. Shandong ICP No. 16022778號-1
