we have over 10 years experience in this aera we can provide competitive price for every customer and guarantee the quality of our goods. we are attention to every customer's requirements and make a good relationship with them. We have a long business relationship with many countries, such as Canada, Mexico, Brazil, United Kingdom, Russia, Germany, India, Malta, Egypt, Armenia, Australia, Philippines, Belgium, Netherlands, Denmark ect. if you have any other questions to consult me.please not hesitate to contact me at any time. We just produce and sell the products which are legal in china .And all products are only sold to labs for research.