Quality -Yongteng Shengxin (International) Group Co., Ltd

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Source management

Purchase from the original factory and authorized channels to ensure that each piece is genuine

Appearance inspection

Complete model, batch, brand and quantity, chip screen printing and pin arrangement

Anti counterfeiting detection

Acetone detection

Wipe the tested sample with acetone to check whether there are false traces such as covering and grinding, so as to prevent re screen printing.

Cover opening inspection

Using electronic unpacking technology, analyzing the identification of the crystal element, binding layout, mask, etc. to identify whether the chip is originally produced by the manufacturer.

x-ray inspection

The internal structure of the sample can be analyzed by X-ray penetration chip to find out whether the internal structure of the sample is consistent or there is mixing phenomenon.

Function detection

Electrical test

Test the input and output of electronic equipment and the reasonable voltage, current, resistance and capacitance of power supply pin.

Programming test

The programmer is used to test the reading, writing, verifying program and blank checking of digital memory controller and single chip microcomputer.

Solderability link

Check the corrosion and oxidation of the product, check the durability of the outer layer and the solderability of the pins.

ROHS test

Exposure of electronic products to short wavelength X-ray to detect whether six substances, including lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls and polybrominated diphenyl ethers, meet ROHS standards.

physical distribution management

Packaging protection

Materials used to prepare product packaging for safe transportation and transportation, such as shockproof bags, can reduce the impact and vibration of goods.

Insurance protection

Purchase transportation insurance for the goods when they are in excess of a certain amount.