1, business license (the latest annual inspection).
2, medical equipment recycling license.
3, organization code certificate (new annual inspection).
4, tax registration certificate.
5, health license. Assay equipment is the latest type of a comprehensive analyzer, a single instrument can meet the steel and its alloy materials in the C, S, Mn, P, Si, Cr, Ni, Mo, Cu, Ti, V, Al, W, Nb, Mg, rare earths, Co and other elements in the content of the test.