All right. Guangzhou Nianchun Technology Co., Ltd. is a large group enterprise integrating design, research and development, manufacturing and marketing services. The company is committed to creating high-end boutique underwear. The public commented that the pure gold cotton underwear is of good quality and is a natural grass coral antibacterial crotch, which is very comfortable. Jin Mian's scientific name "pu" is a plastic product produced by the gluing reaction between polyurethane and tdi or mdi.