Contact us Lee Guan Chuan Pte Ltd is the Official Representative and Sole Distributor of NexGard®, NexGard SPECTRA® and NexGard® COMBO in Singapore. Telephone +65 6793 7561 Email admin@leeguanchuan.com Address 38 Lorong 1 Realty Park Singapore 536957 Monday to Friday 8.30am – 5.30pm Saturday 8.30am - 1.00pm