求翻译：项目以聚乙烯、聚丙烯为主要原料，生产大型规格塑材成品为主的复合型塑材。项目紧靠中国石化60万吨/年聚烯烃项目，原料有保障且运输成本低，正在开发建设的织金经济开发区（原织金新型能源化工基地）和拓展建设的织金县城对各种大型规格复合型塑材需求量日益增加。主要产品：各种型号复合型塑材管道、铝合金、薄膜、塑膜等。预计项目总投资50000万元，年利润15000万元，投资回收期4年。是什么意思？

Projects to polyethylene, polypropylene as the main raw material, production of large size plastic timber shaped finished wood-based composite. Project close to the China Petrochemical 600,000 tons / year of polyolefin projects to protect and transport the raw material for low cost, is the developme

Projects to polyethylene, polypropylene as the major raw material specifications and production of large-scale molding material product-based compound molding material. china petrochemical project adjacent 600,000 tons/year polyolefin project, raw materials, secure and low transport costs, the Organ

The project take the polyethylene, the polypropylene as the primary data, the production large-scale specification models the material end product primarily multi-skill to model the material.The project abuts China to petrify 600,000 ton/year polyolefine projects, raw material has the safeguard also

Project of PE, pp as the main raw material, producing large size plastic material finished mainly of composite plastic material. Project close to 600,000 tons/year, Sinopec polyolefin project, materials protection and low transport costs, is in development and construction, zhijin County, economic d

Project of PE, pp as the main raw material, producing large size plastic material finished mainly of composite plastic material. Project close to 600,000 tons/year, Sinopec polyolefin project, materials protection and low transport costs, is in development and construction, zhijin County, economic d