original mattress factory-roll up mattress-difference between bonnell spring and pocket spring mattress is a prominent product of Synwin Global Co.,Ltd. The reasons for the popularity of this product are as follows: it is designed by top designers with attracting appearance and excellent performance; it has been recognized by customers with strict quality inspection and certification; it has reached a win-win relationship with cooperation partners with high cost-performance.. Our business also operates under the brand - Synwin all over the world. Since the brand inception, we have experienced many highs and lows. But throughout our history we have continued to build long-lasting relationships with our customers, connecting them to opportunities and helping them to thrive. Synwin products always help our customers maintain the professional image and grow business.. original mattress factory-roll up mattress-difference between bonnell spring and pocket spring mattress will become a demand in the market. Thus, we are keeping pace with it to offer more appropriate choices at Synwin Mattress for customers around the world. Sample delivery service is provided before bulk order to deliver a functional experience..