Provide Sample ISO Certificated with Top Quality CAS 328-42-7 Oxobutanedioic acid CAS NO.328-42-7

• Best quality with more than 99.9% high purity.
• All package will be safely protected and shipped to ensure its conveyance security,which is also manufactured on customer request.
• Meticulous pre-sales and after-sales service.
• Advanced and professional technologist and sales with ample experience in the field for 5-10 years.
• We are the best chemical material factory in China.
• Has successful partnerships with customs from more than 40 countries.
• Best quality of the production line.Guaranteed 100% assurance.
• Have been awarded The Best Supplier for many years.

Safest shipment, 100% Delivery, 99% purity with bulk price and reagent grade, guaranteed quality pharmaceuticals raw material CAS 328-42-7 solid, best high yield factory supply in large stock. Sample is also available.

We have laboratory verification results that our products are effective and reliable.Once the payment is made, it can be shipped on that day.

FAQ

Q1. Are you a manufacturer
Answer: Yes, Our factory located in Shandong provience 
Q2. Do you have GMP or DMF
Answer: Yes, we have GMP certificate for some products, and we can provide DMF as well.

Q3. What information should I let you know if I want to get a quotation
Answer: -Quality you require, eg. Assay, Purity, or single impurity
-Quantity
-Standard  such as USP, EP, JP etc.

Q4. How to make the payment
Answer: BTC TT  Money Gram and Paypal as well.

Q5. When will you deliver the goods
Answer: Within 24 hours after payment.

Q6. How will you deliver the goods
Answer: DHL, TNT, UPS, FEDEX, EMS, China Air Post. For container products, we can do sea shipping.
You also can choose your own shipping forwarder.

Q7. When will we receive the goods
Answer: For samples, we will send by TNT/DHL/FEDEX/UPS express, usually it takes about 3-5 to reach you; for larger orders, it
will take about 7 -10days at most.

Q8. What if we find your products unsatisfied
Answer: We will send you a COA (Certificate of Analysis) to you first for you to confirm the quality, but if you find our products
not confirm with the COA after you receive it, please show us your test result, we will refund you once we confirm that.

How to process an order

1. Firstly, you can send me inquiry of cas number, item name or other details by email ,wickr me or whatsapp for check.

2. Secondly, when we got your inquiry we will reply you within 2 hours.

3. We can talk more details and final make a deal under all your requirements such as quality, price, package,shipment and  payment terms.

4. After you finished your payment we arrange the shipment asap.

5. We can take pictures before ship out for checking  the package, labels and so on.

6. You can get a tracking number and check it online then wait for the parcels arrival.

Package&Shipping 

Plastic bag & kraft paper bag

• 1200kg/bag
• 50kg/plastic bag
• 25kg/plastic bag&kraft paper bag