Institut für Management & Umwelt

Manufacturer of Custom-Designed Quality Control Sera for Immunoassays Your OEM Partner for Quality Immunoassay Controls BIOREF GmbH is since more than 35 years a privately owned company dedicated to development, production and distribution of quality

Shenyang Siwei Polymer Plastic Co., Ltd. is a comprehensive enterprise that integrates research and development, production, and testing of modified plastic additives (toughening agents, compatibilizers) and modified plastics. The company has a large

Xiamen Innoway Chemical Co., Ltd. is a high-tech company dedicated to research and development, production, and sales, with independent intellectual property rights, producing fine chemical products. Quaternary ammonium salts and quaternary ammonium