battery plastic vent cap

Vent plug:

    1.The raw materials for the companys productsare mainly imported from EuropeAmerica and Japan,all strictly tested by authority departments,which can assure the quality.

    2.All individual parts are produced in-house,with the QCs strictly picking which provides the excellent products before and after assenble

    3.Accurate opening pressure and closing pressure can be done according to customers's demand

    4.Every products function is under the test of the standard testers which assures the quality.

    5.There are one flame arrestor in the vent plug.