boric acid flake ([email protected])

XINGTAI XINGJIU NEW MATERIAL TECHNOLOGY CO., LTD

硼酸片 ([email protected]) whatsapp +86 19133956091 苯佐卡因 CAS 94-09-7 普鲁卡因碱 CAS 59-46-1 盐酸普鲁卡因 CAS 51-05-8盐酸 利多卡因 CAS 73-44-728- CAS -6 盐酸丁卡因 CAS 136-47-0 email [email protected] whatsapp / wechat / signal +86 19133956091