We are one of the main china sulphur dyes manufacturer.
We are specialized in sulphur black b,sulphur black br .Our supply ability is 30,000mts per year.
our factory located in inner mongolia of China .In order to enlarge export market,we set export office in tianjin city which is the biggest port city in north of China.

We would like to know your special require and help you in the near future.