xuzhou dayang chemical co.,ltd



           Welcome to contact us for more details!

We can have a Online Chat on Skype QQ图片20171222114705 or  you can email emailus.  .(Please click the skype or email button to start communication immediately )


Product Description

Brand World vat dyes produced by Xuzhou Dayang Chemical Co., Ltd belong to the type of anthraquinone and anthracene ketones, which is applied for the dyeing of cotton, linen, rayon and blended fabric materials. It appears to the environmental dustproof particles with very good water diffusion, uniformity of dispersion and anti- cohesion of suspension. It is particularly applicable to high-speed continuous dyeing and continuous padding with automatic mixing owning to its fast speed of reduction.While it is also suitable for hidden color and suspension dyeing processes in deep-dyeing.

Vat dyes dyeing process

Vat dyes do not dissolve in water, while when reduced to be leuco salt by reducing agent under alkaline conditions, they can dissolve in water and get feature of immediacy with cellulose fibers, which is the way to achieve the purpose of dyeing. Then stable shade and good color fastness would come out via oxidation and soaping.

  • Producing Process
  As a supplier have passed ISO, BV, REACH certification in China, World Chemical Co., Ltd. has more than 20 years producing experience of Dyes and Textile Auxiliaries. With professional workers and advanced equipment, we make sure that every step in the process is strict to the standard requirement. 
  • Quality Control

  In the Lab, we set the standard for both raw matetials and finished goods. For each lot of raw materials coming into the producing process, our technicians in the lab test them under the help of advanced equipment like Liquid Chromatograph, Spectrophotometer, Datacolor and ect. Based on the standard, we keep the sources to be stable. All the results are marked down in the lab computer for revision.

  For finished goods coming out, we conduct at least three groups of comparative experiments to reduce the artificial error. The difference between shipped goods and the comfirmed samples will be very small, even less than 1% under Datacolor machine. All we do is to maintain Superior Quality.


Packaging & Shipping


inner: plastic bag 
outer: carton/ plastic drum 

20days after order


Our services





We take great pride in our work and in the wide variety of products that we offer. We are experienced in serving the worldwide market. Please be aware that our production lead times depend on specific items and item quantities. Our success has been based on our understanding of the demands and nature of products and marketing deadlines. That's why we always ensure that every order is delivered on time.

  • Customized Service


  We accept CUSTOMIZATION as different customers in different markets always have different needs and wants. MOQ is varied based on the specific item. From the product itself, the package to the marketing catelogue we can provide according to your demands.

  • Live Broadcast Service


  We know well of what the customers are feeling when waiting for the order after deposit confirmed. Here World Chemical Co., Ltd. provides Live Broadcast Service to inform you of every step in the production. There will be specially-assigned person mailing you situations for raw materials buying, production starting, finished goods packaging, booking cargo space and ect.

  • Payment Credit Service


  We have cooperated with China Export and Credit Insurance Corporation (SINOSURE). This new financing program can provide you L/C payment of at sight ~30 days of Maximum USD 100000.

Company Information


Established in 1992, Xuzhou Dayang Chemical Co., Ltd. is a large-scale dyestuff group integrating R&D and mainly engaged in producing high-grade vat dyes and organic pigments. Our company has two synthesis factories and one processing factory for commercializing dyes and one Import&Export company of xuzhou dayang trade co.,ltd. Our company has complete quality control and quality testing equipment. In accordance with "ETAD" standard,our products are mainly exported to the US, Europe...
Xuzhou Dayang Chemical Co., Ltd is devoting ourselves to enhancing management system and quality contrlolling. The endeavor has won recognition from both terminal customers and govenrment. Now we have got certifications from most the authority in order to enter the International market.



Q1: Are you a manufacturer?
Answer: Yes, we are factory founded on 1992.


Q2: How to contact with us?
Click the Website "Inquiry" or "Contact Us" And then send us message the product you interest in, you will get reply within 24 hours.


Q3:Which kind of payment terms do you accept?
For normal order , we accept payment by T/T,Cash,Western Union or L/C at sight .


Q4:Can you give me a discount price?
Surely,It depend on your quantity.


Q5:How can i get a sample?
free samples is available,but freight charges will be at your account and the charges will be return to you or deduct from your order in the future.


Q6: 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.




Q7: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.


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   Welcome to contact us for more details!

We can have a Online Chat on Skype QQ图片20171222114705 or  you can email emailus.  .(Please click the skype or email button to start communication immediately )


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