About AirMac

Always providing high quality vacuum pump / air pump to you!
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Who we are​

Diann Bao Inc was established in 1988. We have more than 30-year experience as a professional manufacturer of linear air pump. With continuous dedication in linear magnetic technology, our new model DBMX400 and DBMX500 is ideal for wastewater treatment plant (WWTP) customers. Our vacuum air pump and brushless motor diaphragm pump are reliable and has long been recognized in medical, laboratory and many other industries. 

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AirMac, the brand of Diann Bao is reputed to reliable and highest quality to serve a wide range of customers from the world since 1998. We also offer OEM service to contracted customers.

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Embrace the changes, Confront the challenges​

With passion in linear magnetic technology and solving customer’s demand from the changeable industrial environment, Diann Bao devotes to manufacturing products with better quality to maximize customers benefits in wide range of applications.

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Quality Assurance​

  • ISO 9001 Certified
  • Individual air pump is inspected and recorded before shipping
  • Made in Taiwan
  • Products & components are certified with UL, CE, PSE/JET, ROHS and many others.


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Company milestone​

Diann Bao announces a new European distributor agreement with Boxer GmbH to offer support for local customers
Published bigger air pump, DBMX 400/500 (airflow volume 400 and 500 Liter per minute) into market
Renewed and certified by TUV for ISO 9001:2008. No. 9105047025. Awarded the "Top 1000 D&B SME 2014" award by Dun & Bradstreet Int'l Ltd.​
Released vacuum pumps for precise medical and laboratory devices.
SGS Greenhouse Gas Verification
Approved Greenhouse Gas Verification by SGS, which meets the requirement of ISO 14064-1:2006.
2008 TUV ISO 90012000
ISO 9001:2000. No. 085169 Certified by TUV
Company moved to a new plant which is around 6,800 square meters in size. Reached to 800 units/daily capacity.
Diann Bao Enterprise Co., Ltd. expanded its capital and changed the name to "Diann Bao Inc."​
ISO 9001:2000 No. 174684 Certified by BVQI
Diann Bao signed a contract with a leading manufacturing and distributing company in the United States. Development cases reached to 22 various applications.
AirMac air pumps owned Big success for wastewater treatment sector in European market.
AirMac logo
AirMac air pumps owned Big success for wastewater treatment sector in European market
Diann Bao Enterprise Co., Ltd. was founded in Changhua, Taiwan. Provided DB series linear air pumps for wastewater treatment application in Japanese market.​
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