Manager: Frank Wang
|Appearance||White crystals or crystalline powder|
|Specific Rotation||-29.0~ -32.3|
|Loss on Drying||0.5% Max|
|Heavy Metals||20mg/kg Max|
|Residue on ignition||0.5% Max|
1. D-Tryptophan is an essential amino acid and it continues to be used as a nutritional.
2. D-Tryptophan experts positive effects on the growth promotion and the repair of histiocyte.
3. D-Tryptophan plays a key role in growth performance and feed efficiency.
1. What's your payment terms?
T/T or L/C.
2. What's your delivery time?
Usually we will arrange the shipment in 7 -15 days.
3. How about the packing?
Usually we provide the packing as 25 kg / bag or carton. Of course, if you have special requirements on them, we will according to you.
4. How about the validity of the products?
According to the products you ordered.
5. What documents you provide?
Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.
6. What is loading port?
Usually is Shanghai,Qingdao or Tianjin.
1.20years industry experience， 4 own factorires, 3 warehouses, sold all over the world
2.High quality products with reasonable price
3.Stable supply with QC center for quality control
4.Updating price trendency and market information
5.Delivery within two weeks after order
6.Over 500 kind of food additives
7.New sisiter company is engaged to Pharmaceuticals and ingredients
8.A professional sales team