Item | Specification | Result |
Appearance | White or light brown flakes, allowing darker color when stored | White or light brown flakes, allowing darker color when stored |
Freezing point/ºC ≥ | 109 | 109.5 |
HPLC purity/% ≥ | 99.7 | 99.78 |
Hydroquinone /% ≤ | 0.05 | 0.04 |
Catechol /% ≤ | 0.05 | ≤0.05 |
Phenol /% ≤ | 0.05 | ≤0.05 |
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, good quality product and prompt shipment.
3. We can send the goods to your delivery address directly. It is relatively safe and fast. We have ready goods in stock.
4.Quick and clear response to customers questions. Warm after sales service, we will help to solve the problems in your usage.
5. We could make our price discount if you place a substantial order with us.
FAQ:
Q1:Which kind of payment terms do you accept?
A:For small order,you can pay by T/T,Western Union or Paypal,nomal order by T/T to our company account
Q2:Can you give me a discount price?
A:Surely, price is negotiable under different conditions, we are assuring you to get the most competitive price.
Q3:How can I get the sample?
A:We can support the sample for free, freight charges will undertaken by buyer. The charges will be return to you or deduct from your order in the future.
Q4:How can we guarantee the quality?
A:We a
lways keep pre-production sample before mass production, and final inspection before shipment. O
ur 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.
Q5: How about the packing?
A: Factory standard packing. Special packing can be accept per your request.