Molecular Sieve

Time:2022-04-28Views:6874

Molecular sieve products: 3A molecular sieve, 4A molecular sieve, 5A molecular sieve, 13A molecular sieve, PSA molecular sieve for Hydrogen & Oxygen making, XH series, refrigerant drying filter and insulating glass, specialized molecular sieve for  air-actuated braking systems and various kinds of molecular sieve activated powder.

Owned advanced application technology, equipments for making and quality control of molecular sieve adsorbents, that has guaranteed the best quality and reliable products.

  • +86-532-85889188

Copyright ? 1997- QINGDAO DOUBLE DRAGON INDUSTRY CO., LTD. All Rights Reserved. Add:No.128 Hongkong East Road ,Qingdao,China 魯ICP備08004731號 魯公網(wǎng)安備 37021202000748號

高潮爽到爆好爽无码喷水视频,男人把女人桶爽30分钟,国产精品国三级国产av,国产伦精品一区二区三区,大屁股熟女ass