Good quality comes 1st; assistance is foremost; business enterprise is cooperation" is our business enterprise philosophy which is regularly observed and pursued by our company for heavy metal test strip, Extenso Incubator , Semi-quantitative test kit , Accurate Rapid Device Test Strip ,Extenso Device . We sincerely welcome you come to visit us. Hope we have good cooperation in the future. The product will supply to all over the world, such as Europe, America, Australia,El Salvador, Italy,Brasilia, Luxemburg.Our products are very popular in the word, like South American, Africa, Asia and so on. Companies to "create first-class products" as the goal, and strive to deliver customers with high quality solutions, present high-quality after-sales service and technical support, and customer mutual benefit, create a better career and future!