Hydroxychloroquine Sulfate Cas No.747-36-4 Generic Drugs

Speranza Chemical Co., Ltd. is a professional manufacturer of Fine Chemicals for more than 10years. Our Chemical factory locates in Handan Chemical Industry Zone, Hebei province with total invested of $12 million and area of 80,000 mA A . We focus on production of P-tert-butylbenzoic acid (PTBBA) and its Methyl Ester, 5-Chlorovaleryl chloride, 1-Bromonaphthalene and other Organic Bromide/Iodide and its derivatives. Quality is our Culture and our Promise to our customers all over the world! From raw material purchasing to production progress, finish product testing and Packing, we insist to doing tracing and Quality control for each single step just to realize our promise and to be your trustworthy partner in China! Beyond competence products, we also do 7 X 24 hours After Sales Service! Speranza Chemical, Always getting better for our Customers and our Life!