KN95 External Mask pricelist Shenzhen Jielixin Technology Co., Ltd. is a privately-owned enterprise specializing in the production and processing of medical products such as masks and protective clothing. The company's headquarter is located at 33 Jincheng Road, Pinghu Street, Pinghu Town, Longgang District, Shenzhen. The company's professional technology has led to the company's excellent quality. At present, the company has 200 people and has a complete and scientific quality management system. The company's integrity, strength and product quality have been recognized by the industry. http://www.kn95maskfactory.net/