• Above is spiral, below is flat screw, can be used for egg
• Can prevent egg rolling at will
• Any color in PMS card are available

 Lisheng Spring Company was established in 1993. Lisheng spring is a professional manufacturer for every variety of springs in China. Lisheng spring specializes in the manufacture of springs and metal stampings, such as snap ring, wave springs, retaining rings, constant force springs, power springs, extension springs, compression springs, metal spring, oil seal spring…and many other products, the row materials are imported from Japan, Germany, and the U.S. ,We select the correct material to guarantee satisfying products. Lisheng spring has become one of the leading companies in the all types of springs and metal stampings with its high-quality and high-precise production capability. We firmly believe that serving our clients will bring us the satisfaction. We always desired. We will continue to provide our clients with high quality products and best service.