North of Wen Yi Road, on the 9th floor of Galilee Express, we can see that this is a national second-class mine, and there is no problem in the detection of Xi 'an Geology Mine outside Heping Gate, but this is the first private detection fee at the provincial level, and the second one seems to be 100 for 30 yuan. I can't figure it out. .

Undertake the entrusted inspection of jewelry and jade in society. Including identifying the variety of gemstones, distinguishing synthetic gemstones from natural gemstones, and checking whether jewelry and jade have been artificially optimized. 3. Undertake the entrusted inspection of precious metals in society. Includes detecting precious metal elements that may be contained in samples and contents. 4. To undertake the grading evaluation of diamonds entrusted by the society.

More authoritative 1, north of Wen Yi Road, 9th floor of Galilee Express. Going up, you can see that this is the national second-class, and there is no problem in the detection of Xi 'an Geology Mine outside Heping Gate, but this is the first private detection fee at the provincial level. The second one in 30 yuan seems to be 100. I can't figure it out.