Jinan Youlyy Industrial Co., Ltd.

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Our Laboratory Add Three Items Beyond The Original Test Items!
- Apr 11, 2017 -

In order to better ensure the quality of our glass vial products, our laboratory add three items beyond the original test items, including the water-tolerant of glass bottle's inner and surface  test, glass expansion coefficient test, the content of boron dioxide test.

Our products quality, professionalism is one of the best, if you have any purchasing inquiry about galss vials, glass ampoules, aluminum caps, rubber stoppers, please do not hesitate to contact us.

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