Dr. Wieland GmbH & Co. KG

CECA, a subsidiary of the ARKEMA Group, is a world player in Specialty Chemicals. CECA constantly strives to improve its customers’ performance by creating and developing adsorbents, chemical intermediates, and additives. CECA operates an extensive n

Bengbu Yongyan Dyestuff Chemical Co., Ltd. is a national high-tech enterprise that has been producing sulfur dyes since 1968 and has a production history of over 40 years. We specialize in the production and operation of a series of sulfurized varieg