Henan chaoya medical equipment co. ltd. was established in 2009, with a registered capital of 50 million yuan and fixed assets of 1.09 billion yuan.br the company invested 370 million yuan to independently develop and build more than 30 fully automated production lines with a total annual output of 220 million stickers and a maximum daily output of 1.2 million stickers. Our production for face mask is 2.7 million per day. The production machines have been granted national utility model patents, and chaoya owns all patent rights for the production machines.