証明書

Rongsheng Group is committed to the development of new technologies and products of refractory materials.

Rongsheng has passed the ISO quality, environment, and safety management system certification.

現在のところ, Rongsheng Group has an independent foreign trade sales team, providing one-stop services such as document review, foreign exchange collection, customs declaration, international logistics, and taxation, providing a guarantee for efficient customer service. It has rich experience in kiln structure, design, 製造, improvement, construction, and heat preservation treatment, and has won unanimous praise from domestic and foreign customers.

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