In order to guarantee the quality of the products, we have formulated the strict product quality control testing standards which are classified into two kinds:
1. Process control: according to different products and its reaction process, we select the key point, key indicator, key results, to control the product smoothly in the preparation process.
2. Results control: we carry out a system of batch inspection strictly which is divided into raw materials warehouse batch inspection and storage of finished product batch inspection production. Whether raw materials or finished products, we test for every batch of products to ensure the quality.