Profile: Tongxiang Fengda Bio-Technology Development Co., Ltd. produces calcium gluconate. We also supply other gluconates of ferrous gluconate, GDL and zinc gluconate. Calcium gluconate is a white crystalline or granular powder. It can be used as drug to lower penetration of blood capillary, increase density, keep normal excitability between nerve and muscle, improve contractility of cardiac muscle and help the growth of bone. It can be used in the therapy of allergic diseases such as urticaria, eczema, skin pruritus, contact dermatitis and serum sickness. It also can be used in angioedema as adjuvant. Sulfur coated urea (SCU) has both effects of nitrogen and sulfur fertilizers. It is being used in rice, wheat, corn, vegetable, bamboo, fruit and garden with such features as fertilizer-saving, labor-saving, output-increasing and environment improvement.