fire resistant file box is promised to be high-quality. At Dongguan Sanjiu luggage products Co., LTD, a complete set of the scientific quality management system is implemented throughout the production cycle. In the pre-production process, all materials are strictly tested in conformity with the international standards. During the production, the product has to be tested by sophisticated testing equipment. In the pre-shipment process, testings for function and performance, appearance and workmanship are conducted. All these greatly ensure that the quality of the product is always at its best.

We wish to maintain the hard-earned reputation for bringing added value to the business of customers with our Sanjiu branded products. Throughout the entire development process, we urge to build long-term relationships with customers, bringing them the most dependable products to help their business achieve results. Sanjiu products always help customers maintain a professional image.

Our products like fire resistant file box are well-recognized in the industry, so is our customer service. At SANJIU, customers can get a comprehensive and professional customization service. Customers are also welcomed to request samples from us.