On the basis of the ISO9001 authentication we obtained, from the original material choose to products produce. we take all strict quality controls in every product aspect to guarantee the quality of each product coming out from our factory. we work with friends from USA, Canada, Russia, and many European countries, and then our products have come to and been used by our friends all over the world. More important is that our competitive price and high quality always make our friends satisfied with our work and products!