Shanghai Yonglong Chem-Tech Co., Ltd.

Shanghai Yonglong Chem-Tech Co., Ltd. integrates production, R&D, and sales together. We have two production bases in Hebei and Shandong provinces and all of them have their own R&D centers as well as sales platforms. All of our products have passed ISO9001:2000 international Standard Quality System Certification.

Our products involve: dyes and intermediates. Dyes can be divided into direct, acid, basic and special dyestuffs, and intermediates can be divided into dye intermediates, pharmaceutical intermediates and pesticide intermediates.

The yearly output of acid dye reaches to 3000 to 5000MT. Our customers are satisfied with the variety of goods, the board range of colorants, and refined R&D and production technology. We always give customers outstanding brand image.

Our special dyes include dyes for leather, furs, paper and nylon. These kinds of dyes have completed chromatographic with high quality and stable performance. All these products have their own special appli... [Details]