we have over 10 years' experience in this area we can provide competitive prices for every customer and guarantee the quality of our goods. we are attentive 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 consult me. please do 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.