What Is Sodium sulfide ?
Anthracene-1,4,9,10-tetraol, also known as quinone leuco, is an important chemical intermediate and plays an important role in the dye industry.

Application Of Sodium sulfide
It can be widely used in solvent dyes, disperse dyes, reactive dyes and vat dye intermediates.

25kgs/bag,20tons/20'container

Unilong Industry Co.,Ltd. is a growing high-tech chemical enterprise, and located in Zibo Zhangdian chemical industrial park of Shandong province. Now Unilong company already is a world leading professional manufacturer and distributor for fine chemicals materials. 
With the development of society, more and more people pay more attention to environmental health.In recent years, we are engaging to expand new materials field and also set up a researching team, particularly for the fields of nutrition, skin care, daily care chemical materials.

Q1: Are you trading company or manufacturer?
A1: We are chemical factory in China. So we can provide wholesale price.

Q2: How can I get the samples?
A2: We can provide you sample for our existing products, the lead time is about 1-5 days.You just need to pay the sample

Q3: Can you provide relevant documents?
A3: Of course. We can provide Commercial Invoice, Packing List, Bill of loading, COA and Origin certificate.

Q4: Do you accept third party inspection?
A4: Yes.we do.

Q5: How long is your delivery time?
A5: Generally it is with 7 days if the goods are in stock. According to quantity your required,the delivery time may slightly change.

Q6: What's your terms of payment?
A6: We can accept various payment methods, L/C, T/T, Paypal, Western Union etc.

Q7: Can your company accept the special requirements of your customers?
A7: Of course, we can.