Shenzhen Tianyi Technology Co., Ltd. is a research and development production and sales as one of the manufacturers, the main business products are Samsung, Xerox, HP, Ricoh, Sharp, Minolta, OKI, Kyocera, branded, Lexmark printer copier series toner chip supplies category. our most sincere attitude towards every customer, the best products to every customer. welcome to inquire, we will do our best to give you the most satisfactory answer. Thank you!