Introduction:

N-acetyl-l-cysteine, also known as N-acetylcysteine or Acetylcysteine (NAC), is a pharmaceutical drug and nutritional supplement used primarily as a mucolytic agent and in the management of paracetamol (acetaminophen) overdose. Other uses include sulfate repletion in conditions, such as autism, where cysteine and related sulfur amino acids may be depleted.

N-acetyl-l-cysteine is a derivative of cysteine where an acetyl group is attached to the nitrogen atom. This compound is sold as a dietary supplement commonly claiming antioxidant and liver protecting effects. It is used as a cough medicine because it breaks disulfide bonds in mucus and liquefies it, making it easier to cough up. It is also this action of breaking disulfide bonds that makes it useful in thinning the abnormally thick mucus in cystic and pulmonary fibrosis patients.

Function:

1. N-acetyl-l-cysteine helps to prevent crusting in people with tracheostomy

2. Acetaminophen tylenol poisoning
3. N-acetyl l-cysteine can reduce mucus and help with breathing in various lung conditions
4. Cystic fibrosis

why choose our comp

any
1. quality
our products meet msds safe standard and we have iso and other certificate so yan can get high quality products from our company.
2. price
we are the company which is the joint of trade and industry so we cao provide the competitive price and high quality product.
3.packing
we can do according to the customers' request.
4.transport
ems,dhl, tnt, ups ,fedex, by air, by sea
dhl express, fedex and ems for quantity less than 50kg, usually called as ddu service; 
sea shipping for quantity over 500kg; and air shipping is available for 50kg above;
for high value products, please select air shipping and dhl express for safe;
5.service
we offer specialized logistic service including export declaration,customs clearance and every detail during shipment,this makes us able to offer you one-stop service from the order to the products transported to your hand.
we will try our best to satisfied you.
1. tailor-made for every customers. 
2. third-party test for the products you demand. 
3. test your counter-samples and produce them for you. 
4. best discount for old customers. 






Thanks for your considering of Hebei Guanlang Biotechnology Co., Ltd.(Crovell). Crovell is a fast growing intermediates company,Which located in Shijiazhuang,Hebei Province.
Crovell is specialized in pharmaceutical intermediates, veterinary drug intermediates and dyes intermediates,such as phenylacetamide, dimethylamine hcl, benzyl chloride etc., 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.

 


Packaging Details:

25kgs packaging Fiber drum outside and plastic bag inside 1-25kgs packaging aluminium bag outside and double plastic bag inside

Delivery Detail: within 10 days when get the payment.

Shipping :

We have Professional shipping agent, based on customers ' demand for transport

By express :FEDEX,DHL,EMS ,UPS,TNT ect.

By SEA and By AIR

Q: How to start orders or make payments?

A:You can send our your Purchase order(if your company has), or just send a simple confirmation by email or by Trade Manager, and we will send you Proforma Invoice with our bank details for your confirmation, then you can make payment accordingly.

Q: How to confirm the Product Quality before placing orders? 

A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

Q: What's your MOQ?

A:For the high value product, our MOQ starts from 1g and generally starts from 10gs. For other low price product, our MOQ starts from 100g and 1kg.


Q: Is there a discount? 

A: Yes, for larger quantity, we always support with better price. 


Q:How do you treat quality complaint? 

First of all, our quality control will reduce the quality problem to near zero. If there is a quality problem caused by us, we will send you free goods for replacement or refund your loss.

Q:How to contact us ?

You can choose your interested products and send inquiry to us.You can dial our telephone directly, you will get our reply.
Send Email to us.