Looking at the appraisal institution, the first thing to check carefully is whether the appraisal institution of the jade appraisal book has the right to issue the jade appraisal certificate. According to the division of industry departments, there are mainly five kinds of jade appraisal institutions. Quality inspection system, geology and mineral resources system, education system, trade associations, private enterprises.

Check and evaluate the qualifications of institutions; After you get the jade appraisal certificate, you must first check whether the appraisal institution marked on the certificate has the appraisal qualification. You can query whether the organization is true and effective through the network.

Look at the signs: on a genuine jade certificate, the most conspicuous signs are several English abbreviations, and the common signs are "CMA", "CAL" or "CNAL". CMA is a sign that the measurement certification of testing institutions is qualified, and the institutions with this sign are legal testing institutions.

Only natural A goods will issue the certificate of "Jade" result. If it is grade B jadeite, one of the appraisal results in the certificate will be marked as "jadeite (treatment)", "jadeite (glue injection)", "jadeite (grade B quality)" or "jadeite (optimization)". C Jade will be marked with "Jade (Dyed)".

How to identify the jade identification certificate and how to identify the authenticity of the jade identification certificate

1, to see if the appraisal institution has the right to issue a jade appraisal certificate, we must first carefully check whether the appraisal institution of the jade appraisal book has the right to issue a jade appraisal certificate. According to the division of industry departments, there are mainly five kinds of jade appraisal institutions. Quality inspection system, geology and mineral resources system, education system, trade associations, private enterprises.

2. Blank column of total quality: the column of total quality is blank, because the column of real jade appraisal certificate cannot be empty. For jewelry, the inspection of total quality should not be underestimated.

3. There will be a fixed telephone number for every jade appraisal. If you have any questions, just call directly. As long as it is a formal jade appraisal certificate, you can call on the certificate and there will be a special staff to answer it.

4.CNAL is the symbol of national laboratory. CAL refers to the standards of inspection institutions recognized by AQSIQ. Among them, "CMA" is necessary. If there is no "CMA" on a certificate, it means that the institution that issued this certificate has no appraisal qualification at all, and such a jade appraisal certificate is a false certificate.

5. However, not all jadeite appraisal institutions provide QR code inquiry, so the method of scanning QR code to inquire jadeite appraisal certificates is only applicable to jadeite appraisal certificates issued by some appraisal institutions that provide QR code inquiry.

How to choose a futures company for a futures account?

A futures company should be selected to receive and execute trading orders quickly and accurately; It is necessary to choose a futures company that can ensure the safety of funds; Choose futures companies that can provide accurate market information and investment decisions; Choose a futures company with standardized operation.

Ordinary. A legitimate futures company shall hang the futures brokerage license issued by the China Securities Regulatory Commission, the financial futures brokerage license and the business license issued by the State Administration for Industry and Commerce in the trading hall.

Trading varieties: Choose futures companies with more trading varieties suitable for you, including financial futures and industrial futures. And consider whether the trading strategy of this futures company is in line with your investment plan.

Open a well-funded and reputable account. If you mainly do commodity futures, you should focus on the futures companies that have deep research and development capabilities in the spot, so that futures companies can provide customers with the best value futures reports because of their understanding of the spot.

Choose a futures brokerage company with standardized operation. Brokerage companies should strictly follow the requirements of relevant laws, regulations and rules, standardize their business activities, do not harm the interests of customers, and the collection standards of margin and handling fees are reasonable. If possible, you should visit the brokerage firm before making a final decision.

How to identify the authenticity of jadeite original stone?

How to identify the true and false jadeite original stone is as follows: Photographing: The front of jadeite original stone is easily exposed with a flashlight or under natural light. The natural jadeite stone is gorgeous and natural, in which the green direction is very clear and the luster is strong.

The real jadeite original stone is gorgeous and natural in color, with obvious green trend, strong luster and anti-brightness, which has a gradual relationship with the surrounding parts. The fake original stone is gray, unnatural in color, irregular in green direction, weak in luster and dark in reflection. Listen to the sound: when distinguishing between true and false jadeite, you can also distinguish between true and false by sound.

Color, structure and luster can be used to identify jadeite original stone. The color of natural jadeite stone is from the inside out, the color distribution is natural, the internal structure is tight and orderly, and it can present glass luster. However, the artificially treated jadeite is unnatural in color and usually presents a resinous luster or a waxy luster.

Natural jadeite has pure color and obvious transition section. If it is fake jade, the color will be cloudy. The surface of natural jadeite has a strong glass luster or sub-glass luster, while the luster of fake jadeite is oily or waxy.

Jade original stone can also be identified by hand feeling. Natural jadeite stone feels smooth, and the skin crystals are not easy to fall off. The fake jadeite raw stone feels rough, even tingling, and the epidermal crystals will feel detached.

Is the jade with certificate really true?

1, the certificate of natural jade does not necessarily mean that this jade is true. Now Jade has many false certificates, which will be forged. If you want to know. Does jadeite really need to be appraised by a professional authority? Only these institutions issue them. Jade certificate is.

2. It is not necessarily true that natural jadeite has a certificate. The authentication certificate may also be fake. It is not so difficult to identify the authenticity of the certificate. The first is to see if the inspection agency is legal. The state has strict qualification requirements for jewelry and jade quality appraisal institutions, and the appraisal certificate issued is only valid if it passes the review.

3, there is an appraisal certificate, it is a real jade bracelet. However, the value is not based on the certificate, and the data only determines what the material of the gem is, not the valuation basis.

4. Having an appraisal certificate is not necessarily true. The identification method is as follows: gloss. After soaking in strong acid and alkali, jadeite has loose structure, and there are pits on the surface before it is full, which makes it spread and its luster weaken.