J&A Plastics GmbH

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 Tyschem Technology Co., Ltd. (referred to as Tyschem) specializes in the research and development, production, and sales of fine chemicals and biopharmaceutical chemistry. It has independent intellectual property rights and independent resea