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Shandong Huatong Automotive molding Technology Co., Ltd. adhere to technology leadership strategy, increasing R & D investment, with independent intellectual property rights to build core competitiveness of enterprises. The company has received more than a dozen patents covering product design, pressure relief cap structure, the trachea mosaic structure, tank modified materials and preparation methods, test equipment and other fields. The company has become a high-tech enterprises in Shandong Province, R & D capabilities and technical level in a leading position in the industry.