Shenzhen Topcen Technology Co., Ltd. does business following the golden principle: honest and trusted as a person, sureness while working, steady while doing business and mutual benefit all the time. TOPCEN is absorbed in the field of phone accessories products such as toughened glass phone screen membrane, phone cover, phone lanyard and other phone accessories. Our company deals with designing and developing, producing and selling, installation and service itself, professionally in producing toughened glass phone screen membrane, phone cover, phone lanyard and other phone accessories. Our products are widely used for the electronic filed. Our products are the necessity for protection of the loved cell phone.