hebei crovell biotech Co,.LTD

90% customers from the Europe use the products from Crovell email [email protected] whatsapp/wechat  +86 19930503252  Tetramisole CAS 5086-74-8 Levamisole base CAS 14769-73-4 Levamisole hcl CAS 16595-80-5 praziquantel CAS 55268-74-1  Boric acid flake CAS 11113-50-1 Boric acid chunks CAS 11113-50-1 Methylamine hcl CAS 593-51-1 N-methyformamide CAS 123-39-7 NMF  PARACETAMOL CAS 103-90-2  Ibuprofen CAS 15687-27-1 Diltiazem hydrochloride CAS 33286-22-5  Chloramphenicol CAS 56-75-7 Mannitol crystals CAS 87-78-5 Benzocaine CAS 94-09-7 Procaine base CAS 59-46-1 procaine hydrochloride CAS 51-05-8 Lidocaine hydrochloride CAS 73-78-9 Tetracaine CAS 94-24-6 Tetracaine hydrochloride CAS 136-47-0