Original Factory Sell Bromothymol Blue 99% CAS 76-59-5

China factory sell BROMOTHYMOL BLUE 99% CAS 76-59-5

Company Information



Crovell Biotech (Hebei) Co., Ltd.(Guanlang) is specialized in pharmaceutical intermediates, veterinary drug intermediates and dyes intermediates,, Crovell also supply various industrial chemicals for customers, such as citric acid,potassium chloride etc.

After ten years development,Crovell has become a Diversified development company,not only involves in chemicals, but also real estate ,clothes ,agricultural products and so on.

So far, Crovell has business in more than 35 countries,most big customers come from europe and America, because among the suppliers in china,Crovell can always make the product quality best, some of the products from Crovell can reach the purity of 99.9+, such as 2-phenylacetamide. This is the important reason for customers who choosing Crovell.

In future, Crovell must become to a more important trade bridge for china and foreign countries especially in pharmaceutical industries.



 
 

 

Q1: Are you a manufacturer?
Yes, CROVELL have concentrated on Organic synthesis over 12 years since 2008.
Advanced R&D technology, 250,000 categories chemical reagent are in stock.
Trading products we will serve for you with our ISO supplier system, making your purchasing risk into the lowest. 
In addition, we provide the customization service of a new compound from lab to bulk manufacturing.

Q2: How to contact with us?
You can contact with us on Made-in-China, the Average Response Time is 0-4h on Work time, <24h on Non-work time.
For every inquiry, our sales will provide the one-for-one service for you. 

Q3:Which kind of payment do you accept?
Normal orders: Company account(The price will be 5%-13% extra discount)
Sample/small orders: Paypal(The 5-10% extra fee),Western Union etc.
About the payment term, we will negotiate alone.
 
Q4:How to confirm the Product Quality before placing orders?
1st, you can get free samples for some products, just pay the basic cost for us.
2nd,Also you can send the specification or your quest to us, we will customize the products for you.
3rd,We emphasis that our whole company make a living with organic chemical and customers, we absolutely impossible to sale any fake goods, unqualified goods, it is shame! And None False certificate/lie/illegal thing in our sales net!

Q5:How do you treat quality complaint?
The customer complaint handling procedures is the key part in Our ISO management system. We will set up an investigation team for your complaint, and give the handling plan and our corrective and preventive measures within a limited time.

Q6:Package
We will refer the MSDS to design the package standard and show you at the PI or Quotation list.
If you want customize package and haven't go against the principle of science, we will do as your request. The cost will be calculate your request.
For dangerous goods, only one style of package, we will do as the UN standard.

Q7:Shipping
We have R&D and manufactured chemicals for 12 years, we have rich experience on Shipping, Many famous companies cooperated with us stably, we are good at shipping all kinds of chemicals.
General goods: The best service, price and lead time.