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quality control

Quality stability is the cornerstone of a successful chemicals business. Given this, D&A Group implements a set of quality management system which includes supplier selection, raw materials purchasing, manufacturing process and finished products quality control. Procedures and assessment criteria are explicitly listed and defined.

Product inspection at different stages of the production process is critical to ensuring quality stability. Therefore, we set up laboratories in each of our manufacturing sites to inspect the quality and stability of raw materials and final products regularly.