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Lanka</option> <option value="/about-us/contact-us?countryId=15354" > St. Barthelemy</option> <option value="/about-us/contact-us?countryId=15351" > St. Eustatius</option> <option value="/about-us/contact-us?countryId=15335" > St. Kitts</option> <option value="/about-us/contact-us?countryId=15337" > St. Lucia</option> <option value="/about-us/contact-us?countryId=15352" > St. Maarten</option> <option value="/about-us/contact-us?countryId=15348" > St. Vincent</option> <option value="/about-us/contact-us?countryId=15344" > Suriname</option> <option value="/about-us/contact-us?countryId=15264" > Swaziland</option> <option value="/about-us/contact-us?countryId=10115" > Sweden</option> <option value="/about-us/contact-us?countryId=10080" > Switzerland</option> <option value="/about-us/contact-us?countryId=15306" > Tahiti</option> <option value="/about-us/contact-us?countryId=10106" > Taiwan</option> <option value="/about-us/contact-us?countryId=15265" > Tajikistan</option> <option value="/about-us/contact-us?countryId=15266" > Tanzania</option> <option value="/about-us/contact-us?countryId=10090" > Thailand</option> <option value="/about-us/contact-us?countryId=15267" > Togo</option> <option value="/about-us/contact-us?countryId=15307" > Tonga</option> <option value="/about-us/contact-us?countryId=15347" > Trinidad And Tobago</option> <option value="/about-us/contact-us?countryId=15268" > Tunisia</option> <option value="/about-us/contact-us?countryId=10097" > Turkey</option> <option value="/about-us/contact-us?countryId=15269" > Turkmenistan</option> <option value="/about-us/contact-us?countryId=15346" > Turks And Caicos Islands</option> <option value="/about-us/contact-us?countryId=15308" > Tuvalu</option> <option value="/about-us/contact-us?countryId=15270" > Uganda</option> <option value="/about-us/contact-us?countryId=15271" > Ukraine</option> <option value="/about-us/contact-us?countryId=15272" > United Arab Emirates</option> <option value="/about-us/contact-us?countryId=11734" > United Kingdom</option> <option value="/about-us/contact-us?countryId=10036" > United States</option> <option value="/about-us/contact-us?countryId=10109" > Uruguay</option> <option value="/about-us/contact-us?countryId=15273" > Uzbekistan</option> <option value="/about-us/contact-us?countryId=15309" > Vanuatu</option> <option value="/about-us/contact-us?countryId=10104" > Venezuela</option> <option value="/about-us/contact-us?countryId=15310" > Vietnam</option> <option value="/about-us/contact-us?countryId=15349" > Virgin Islands (British)</option> <option value="/about-us/contact-us?countryId=15350" > Virgin Islands (Us)</option> <option value="/about-us/contact-us?countryId=15274" > Yemen, Republic Of</option> <option value="/about-us/contact-us?countryId=15275" > Zambia</option> <option value="/about-us/contact-us?countryId=15276" > Zimbabwe</option> </select> <div id="cst-order-info-text-wrapper"> <div class="contact-block cst-order-info-20"> <address><strong class="title">Research Instruments PTE LTD</strong><br /> 1 Clementi Loop, #06-01<br /> Singapore 129808</address> <ul class="unstyled"> <li><span class="label">Phone:</span> <span class="field">65 6571 0888</span></li> <li><span class="label">Fax:</span> <span class="field">65 6571 0868</span></li> </ul> <ul class="unstyled"> <li><span class="label">Email:</span> <span class="field"><a href="/cdn-cgi/l/email-protection#d5bcbbb3ba95a7bcfbb6bab8fba6b2"><span class="__cf_email__" data-cfemail="0d64636b624d7f64236e6260237e6a">[email&#160;protected]</span></a></span></li> <li><span class="label">Technical Support:</span> <span class="field"><a href="/cdn-cgi/l/email-protection#394d5c5a514a4c4949564b4d794b50175a5654174a5e"><span class="__cf_email__" data-cfemail="275342444f5452575748555367554e0944484a095440">[email&#160;protected]</span></a></span></li> <li><span class="label">URL:</span> <span class="field"><a href="http://www.ri.com.sg" target="_blank">http://www.ri.com.sg</a></span></li> </ul> </div> </div></div> </div> </div> </div> </div> </div> <h2>Regional Offices</h2> <div class="regional-offices"> <div class="regional-office-us"><img alt="US Flag" class="regional-offices-flag" src="//media.cellsignal.com/www/images/navigation/flags/flag-us.svg" /> <div class="regional-offices-content"> <h3>Cell Signaling Technology, Inc.</h3> <div class="row address"> <div class="col-md-6"> <h4 class="br">Global Headquarters USA</h4> <p class="br top-spacing">3 Trask Lane</p> <p class="br">Danvers, MA, 01923</p> <p class="br">United States</p> <p class="br"><strong>Phone:</strong> 978.867.2300</p> <p class="br"><strong>Fax:</strong> 978.867.2400</p> <p class="br"><strong>Hours:</strong> 9:00 AM - 5:00 PM (EST)</p> </div> <div class="col-md-6"> <h4 class="br">Production Headquarters USA</h4> <p class="br top-spacing">32 Tozer Road</p> <p class="br">Beverly, MA, 01915</p> <p class="br">United States</p> </div> </div> </div> </div> <div class="regional-office-cn"><img alt="Chinese Flag" class="regional-offices-flag" src="//media.cellsignal.com/www/images/navigation/flags/flag-cn.svg" /> <div class="regional-offices-content"> <h3>CST (Shanghai) Biological Reagents Company Limited</h3> <p class="br">赛信通(上海)生物试剂有限公司</p> <div class="row address"> <div class="col-md-6"> <p class="br">Building 7</p> <p class="br">A-SUN Science &amp; Technology Park</p> <p class="br">399 Shengxia Road</p> <p class="br">Pudong Shanghai 201210</p> <p class="br">China</p> </div> <div class="col-md-6"> <p class="br"><strong>Phone:</strong> +86-21-80243558</p> <p class="br"><strong>Fax:</strong> +86-21-58356116</p> <p class="br"><strong>Email:</strong> <a href="/cdn-cgi/l/email-protection#b1d8dfd7def1d2d4ddddc2d8d6dfd0dd9fd2df"><span class="__cf_email__" data-cfemail="87eee9e1e8c7e4e2ebebf4eee0e9e6eba9e4e9">[email&#160;protected]</span></a> [orders]</p> <p class="br"><strong>Support:</strong> 4006-473287/GreatQ</p> <p class="br">[toll-free China Only]</p> <p>&nbsp;</p> <p class="br"><strong>Email:</strong> <a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="71051412193112141d1d0218161f101d5f121f">[email&#160;protected]</a></p> <p class="br">[support China Only]</p> <p>&nbsp;</p> </div> </div> </div> </div> <div class="regional-office-eu"><img alt="Netherlands Flag" class="regional-offices-flag" src="//media.cellsignal.com/www/images/navigation/flags/flag-nl.svg" /> <div class="regional-offices-content"> <h3>Cell Signaling Technology Europe, B.V.</h3> <div class="row address"> <div class="col-md-6"> <p class="br">Dellaertweg 9b</p> <p class="br">2316 WZ Leiden</p> <p class="br">Leiden, The Netherlands</p> <p class="br top-spacing"><strong>Office Hours:</strong></p> <p class="br">8:30 AM - 5:00 PM CET</p> <p class="br top-spacing"><strong>Technical Support Hours:</strong></p> <p class="br">8:30 AM - 5:00 PM CET</p> <p class="br top-spacing"><strong>Customer Service Hours:</strong></p> <p class="br">8:30 AM - 6:00 PM CET</p> <p class="br top-spacing"><strong>Office Hours:</strong></p> <p class="br">8:30 AM - 5:00 PM CET</p> <p class="br top-spacing"><strong>Office Hours:</strong></p> <p class="br">8:30 AM - 5:00 PM CET</p> </div> <div class="col-md-6"> <div class="flag-heading"><img alt="Austria Flag" class="regional-offices-flag" src="//media.cellsignal.com/www/images/navigation/flags/flag-at.svg" /> <h4>Austria</h4> </div> <p class="br"><strong>Phone:</strong> +43 (0)720 880 536</p> <div class="flag-heading"><img alt="Belgium Flag" class="regional-offices-flag" src="//media.cellsignal.com/www/images/navigation/flags/flag-be.svg" /> <h4>Belgium</h4> </div> <p class="br"><strong>Phone:</strong> 0800 71640 [toll-free]</p> <div class="flag-heading"><img alt="Germany Flag" class="regional-offices-flag" src="//media.cellsignal.com/www/images/navigation/flags/flag-de.svg" /> <h4>Germany</h4> </div> <p class="br"><strong>Phone:</strong> +49 (0)69 9675 9070</p> <p class="br"><strong>Fax:</strong> +49 (0)69 2557 7917</p> <div class="duo-flag flag-heading"><img alt="Netherlands Flag" class="regional-offices-flag" src="//media.cellsignal.com/www/images/navigation/flags/flag-nl.svg" /><img alt="Europe Flag" class="regional-offices-flag" src="//media.cellsignal.com/www/images/navigation/flags/flag-eu.svg" /> <h4>Netherlands &amp; Rest of Europe</h4> </div> <p class="br"><strong>Phone:</strong> +31 (0)71 7200 200</p> <p class="br"><strong>Fax:</strong> +31 (0)71 891 0019</p> <div class="flag-heading"><img alt="United Kingdom Flag" class="regional-offices-flag" src="//media.cellsignal.com/www/images/navigation/flags/flag-uk.svg" /> <h4>United Kingdom</h4> </div> <p class="br"><strong>Phone:</strong> +44 1223 93 1164</p> </div> </div> </div> </div> <div class="regional-office-jp"><img alt="Japan Flag" class="regional-offices-flag" src="//media.cellsignal.com/www/images/navigation/flags/flag-jp.svg" /> <div class="regional-offices-content"> <h3>Cell Signaling Technology Japan, K.K.</h3> <div class="row address"> <div class="col-md-6"> <p class="br">10F Kasahara Building</p> <p class="br">1-6-10 Uchikanda</p> <p class="br">Chiyoda-ku, Tokyo, 101-0047</p> <p class="br">Japan</p> </div> <div class="col-md-6"> <p class="br"><strong>Phone:</strong> 03 (3295) 1630</p> <p class="br"><strong>Fax:</strong> 03 (3295) 1633</p> <p class="br"><strong>Email:</strong> <a href="/cdn-cgi/l/email-protection#fb92959d94918bbb989e979788929c959a97d5989496"><span class="__cf_email__" data-cfemail="066f6860696c764665636a6a756f6168676a2865696b">[email&#160;protected]</span></a></p> </div> </div> </div> </div> </div> </div> </div> <div class="col-md-4"> <div data-template="content-menu-item-group"> <h2>Contact Forms</h2> <ul class="subcategory-related-links" data-elastic-exclude> <li> <a href="/learn-and-support/support-information/general-inquiries">General Inquiries</a> </li> <li> <a href="/learn-and-support/technical-support">Technical 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