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Qingzheng Tech (Qingdao) Co., Ltd. We are a privately-held company with over 10 years international business experience and professional team. We are a leading manufacturer and exporter for various kinds of products, like Polyester Chips, PET Resin, Feed additive, Polyethylene, Polyethylene^.. to global customers, including Coca Cola, big global animal food companies, textile and plastic industry companies.公司档案