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About product and suppliers:
        Alibaba.com offers 221 oem qr scanner module products. such as free samples, paid samples. 

There are 221 oem qr scanner module suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of oem qr scanner module respectively. 

Oem qr scanner module products are most popular in Domestic Market, North America, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 118 with ISO9001, 22 with ISO14001, and 18 with OHSAS18001 certification.