99.9% purity Melatonine powder CAS 73-31-4 with best price from Lab of Biocar

Wuhan Biocar Pharmaceutical Co., Ltd. is a high-tech innovative enterprise specializing in the R & D, production and sales of API and pharmaceutical intermediates (excluding drugs). Our company is based on the optical valley biological city, with the help of Wuhan University Scientific Research Laboratory, making full use of the park policy advantages, focusing on the research and development of biological medicine. Our company always adheres to the business philosophy of "market demand oriented; technology research and development as the core competitiveness; e-commerce as the platform", more accurate, better, faster and more reliable to provide biomedical products for pharmaceutical units, university scientific research institutions, hospital outpatient service, reagent units, distributors in the world.

Why Choose US?
1.Selecting raw materials strictly,our products are the highest purity.
2.Reasonable and competitive price. Provide the best and professional service.
3.Fast delivery of the samples ,samples from stock. Reliable shipping way.
4.Full experience of large numbers containers loading in Chinese sea port.
5. Best after-service after shipment .
6. Professional documents for your custom clearance.

Our Service
1.Cooperate with research institutions, we strictly control the process from  raw material to finished product.
2.The customer comes first, we provide reasonable price, high quality product and prompt shipment.
3.We can send the goods to your delivery address directly. It is relatively safe and fast. 
4.Quick and clear response to customers questions.
5.We could make our price discount if you place a substantial order with us.

FAQ
Q1:Will you supply samples for testing?
A: Free samples for the quality evaluation for most products, customers only need to undertake the shipping fee for delivery the samples to your door.
Q2:What's your MOQ?
A: For the high value product, our MOQ starts from 10g,100g and 1kg.
Q3:Which kind of payment terms do you accept?
A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union or Alibaba). Bulk order by T/T or L/C.
Q4:How about your delivery time?
A: Generally, it will take 3 to 5 days after receiving your advance payment.
Q5:How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.