Nanjing Square Mattress Machinery Co., Ltd. (also named Nanjing Sifang Mattress Machinery Factory) was established in 1990. We are a specialized manufacturer of complete-line mattress & sofa spring equipment. Our present products cover 10 series and more than 60 models. Our present factory covers an area of 35,000sqm with a 14,000-square-meter workshop.



Presently, our company is running strictly in terms of ISO90001:2000 quality system. Our products sell well not only in China but also far in Europe, South America, North America, Australia, the Middle East, Asia, Africa,...