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- 2130 Leveriza St., Pasay City, Philippines 1300
- (02)8831-5056/ (02)8831-7606/ 09178224194
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sales@keystone-instruments.com
service@keystone-instruments.com - www.facebook.com/testoph
- www.linkedin.com/company/keystoneph
OFFICE HOURS
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Monday to Friday - 8:00am to 5:00pm
Saturday - 8:00am to 12:00pm
CONTACT TECHNICAL SUPPORT
- 09176204621
- techservice@keystone-instruments.com