PA EXTRA MEDICAL CO LTD - Hong Kong, Hong Kong

We are the inventor of 'pa extract'. Pa extract is the extract directly from periplaneta americana linn which contains 18 different kinds of amino acids, polyalcohol, trace element and something unknown. We have the patent of this extraction process from state intellectual property office of the people's republic of china.We are selling the pa extract as raw material to pharmaceutical company mainly in china, also to the company which manufacture health food supplement, hair and skin product etc.