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Shanghai Du Yusen Industrial Co., LTD., specializing in the export of kiln refractories. The factory was founded in 1985,Through more than 30 years of development, the factory has passed the ISO9001 quality system, ISO14001 environmental management system and ISO45001 occupational health and safety management system certification, was assessed as a high-tech enterprise, and obtained waterproof anticorrosion insulation engineering construction qualifications.The company's products are exported to the Philippines, South Korea, Vietnam, Europe and America and other countries. The annual sales volume is more than 5000 tons.

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