QSI provides localized pre and after sales support for Spectro range of products to most of the South East Asia countries, namely Malaysia, Singapore, Thailand, Indonesia, Vietnam and Philippines through our professionally trained sales and service engineers covering each country.

The QSI Spectro products management group consists of well trained product specialists is based in QES headquarter in Kuala Lumpur, Malaysia. This team forms the second level of regional support to the local field support engineers in each of the above countries.

The support for Spectro products is further enhanced by the presence of SPECTRO Regional Support Center based in Hong Kong and SPECTRO Customer Support Center (CSC) at SPECTRO headquarters in Kleve, Germany.  

Through the close partnership of SPECTRO and QSI, with satisfaction of Customers at heart, we continuously strive to provide the best support and services to our valued customers.

QSI Support Center :

For Sales Support, please email to
For Technical Support, please email to

Malaysia (HQ)
QS Instruments Sdn Bhd
No.6, USJ 9/5P, UEP Subang Jaya, 47620 Selangor, Malaysia
Tel: (603) 80232288  Fax: (603) 80234811

QES (Singapore) Pte Ltd
Blk 994, Bendemeer Road, #02-05 Singapore 339943
Tel: (65) 62710608 Fax: (65) 62710628

QES (Thailand) Co. Ltd
123/800 Navamin Rd., Kwaeng Kannayao, Khet Kannayao, Bangkok 10230 Thailand
Tel: (662) 9487174-78 Fax: (662) 9487180

PT. QES Indonesia
Komplek Gading Bukit Indah Block C/3, Jalan Bukit Gading Raya, Jakarta Utara 14240, Indonesia
Tel: (62) 21 45876614 Fax: (62) 21 45876615

QES (Vietnam) Co., Ltd
Ho Chi Minh City
2/1 Dinh Tien Hoang Street, Binh Thanh District, HCMC Vietnam
Tel: (84) 8 35172452 Fax: (84) 8 35172224

Hanoi City
901, 51 Kim Ma Street, Ba Dinh District, Vietnam
Tel: (84) 4 37346393 Fax: (84) 4 37346392

QES (Manila) Inc.
Unit 501, Page 1 Bldg, 1215 Acacia Ave, Madrigal Business Park, Alabang, Muntinlupa City, 1780 Philippines
Tel: (632) 7711248 Fax: (632) 7711250

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