Sodium Para-aminosalicylic (PAS-Na)

A:Yes, we could offer the sample for free charge but do not pay the cost of freight.

A:We are factory with certain scale. So no intermediate charge needed. You can get more favorable price, and we can assure the stable stock.

A:All tests required for export are provided.

A:Yes, we offer OEM/ODM service. You can custom every similar product you want.