"Sincerity, Innovation, Rigorousness, and Efficiency" is the persistent conception of our firm for the long-term to create jointly with consumers for mutual reciprocity and mutual reward for micron Silicon oxide, Copper Yttrium Master Alloys, Spinosad, Magnesium Manganese Alloys,Aler Master Alloys. our products have good reputation from the world as its most competive price and our most advantage of after-sale service to the clients。 The product will supply to all over the world, such as Europe, America, Australia,South Korea, Malaysia,Malta, Bahamas.We have been making our products for more than 20 years . Mainly do wholesale , so we have the most competitive price , but highest quality. For the past years , we got very good feedbacks , not only because we provide good products , but also because of our good after-sale service . We are here waiting for you for your inquiry.