About Us

Founded in 2003, Taiwan Chia Yun is the general agent of PMI in the Pacific Asia Pacific region. We provide product sales, professional testing consulting and complete maintenance services. In order to assist and service more customers in various regions, we have established Southeast Asia Branch and PMI China Office in addition to Taiwan Head Office.

In 2004:
A subsidiary of South Asia, Porous Measurement Int’l Ltd., was established in Malaysia (Kuala Lumpur) and the service area includes Singapore, Malaysia, Australia, Thailand, Indonesia, Philippines, Vietnam...etc.

In 2013:
Established Bai Luo (Shanghai) International Trade Co., Ltd., PMI USA authorized Chia Yun company to set up a service office in China which located on Xuhui District, Shanghai and the service area includes whole China.

Our Strengths

Professional Technical Support TeamA number of after-sales service members who had trained completely can provide consulting and complete repair services to customers.

Complete Product Chain In addition to the products of PMI USA, we also have materials analysis and testing instruments made from other countries such as Europe, America, Japan and Korea.

Taiwan Technology Manufacturing Since 2013, we started to promote the Air Filter, Filter Testing Equipment of TTRI (Taiwan) to China and Southeast Asia market.

Technology R&D Participation At 2016, we participated in the project of PMI USA Filtration Testing Equipment technology research in the United States.

World Wide Service AreaThe service area covers Taiwan, China, Singapore, Malaysia, Australia, Thailand, Indonesia, the Philippines, Vietnam...etc.

Testing Center PMI Asia Pacific Technology R&D and Testing Service Center was established at the end of 2018 in Taiwan.

Our Prospect

We would like to use our professional sales experience as we have imported many advanced scientific instruments to supply and design the equipment customers want. To provide customized design, modification and try our best to meet the customers’ requirements is our main goal.
To propel the industrial development and raise industry’s technical level in Taiwan. We have imported several technical equipment from USA, Korea, Japan embodying advanced scientific and technological levels.

We dedicate to giving the most professional services in Nano-technology, Textile fiber materials, Biotechnology, Fuel cells, Lithium batteries, Air filtration, Water filtration, Powder materials testing, High pressure reactor, Supercritical fluid system and other fields.We hold the spirit of focusing on customer satisfaction and aiming at professional orientation. Motivate ourselves all the time and never give up.

Our Partner


Porous Materials, Inc.
20, Dutch Mill Road, Ithaca, N.Y. 14850 USA
TEL: 607-257-5544

CRS Korea

ChemRe System Inc.
(431-804) #B-110, Indokwon SungJi starwith, 954-6 Gwanyang-dong, Dongan-gu, Anyang-si, Gyeonggi-do, Korea
TEL: (031)345-6911-4
FAX: (031)345-6922

TTRI Taiwan

High efficiency air filters test system
HEPA/ULPA automated filter scanning test system
(EN1822-4, EN1822-5 and IEST RP-CC034)
Test rig according to ASHRAE 52.2 and EN 779
Test rig according to ISO 11155-1
Filtration media test rig
Air Filter Test Service: ASHRAE 52.2; EN 779; EN 1822-4; EN 1822-5; ISO 11155-1; ISO 11155-2; SAE J726 ; ISO 5011; EN 1822-3; TSI 8130

TSU Japan

Tsutsui Scientific Instruments Co., LTD.
ADD: 1-31 Negishi 1-Chome, Taito-Ku, Tokyo, Japan 110-0003
TEL: +81-3-3845-2011
Fax: +81-3-3842-5852