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About product and suppliers:
        Alibaba.com offers 121 gas detector pen products. About 89% of these are gas analyzers, 5% are alarm, and 1% are flow meters. 

A wide variety of gas detector pen options are available to you, such as personal, fire. 

There are 119 gas detector pen suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of gas detector pen respectively. 

Gas detector pen products are most popular in North America, Eastern Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 30 with ISO9001, 7 with Other certification.