In international trade, it is not easy to build trust. As a buyer, you cannot just believe what a seller says, you need he/she show some evidence to make what he/she says more reliable.
It will be better if you can get sample to test, but most of the time, because of its large weight, long length,not easy to carry, the freight of sample is very high.
MTC is the acronym of Mill Test Certificate, QC stands for quality certificate. Both they are the quality inspection report given by factory. It is very essential, in which you can see chemical composition, mechanical test, NDT, etc.
3. Personal Inspection
For some big projects, it is necessary to go to the factory to inspect the goods.
4. Third party inspection
If it is unavailable for you to visit the factory, you can find some reliable third party to inspect the goods for you. The most famous third party inspection organization is SGS.
Headquartered in Switzerland, SGS is one of the world’s largest, time-honored and diversified testing organizations, with more than 50,000 employees worldwide, covering most of the testing, inspection and conformity assessment fields.
In 1991, SGS set up a joint venture in China, CSTC Standard Technical Services Co., Ltd., which now has more than 40 branches and more than 50 laboratories in China.