www.spectrumchemical.com

Un proveedor excelente. Muy ordenado y orientador

After contacting several suppliers across Asia without success, we found Spectrum Chemical and placed an order. They were able to supply the chemicals we needed for our petroleum laboratory in Guam. Their service was exceptional, and delivery was fast. We truly appreciate their reliability and efficiency in helping us obtain supplies that had been difficult to source. Highly recommended!

basically it is very good!

Excellent service, huge selection, very fast shipping. The prices are high, but the service warrants it.

Excellent