SINOTOP :with advanced analysis instruments (HPLC –MS , GC, etc.…) and strong cooperation with Analysis Centers of Nanjing University , Yangzhou university and Taiyuan institutes has a complete strict cycle of quality control under the supervision of the Research and Development Department R&D starting by the manufacturing, formulation, packing, loading testing control and not end by field experimentation supervision;

·Raw material testing and qualification
·Technical resting and purity.
·Formulation testing and efficiency
·Packing testing and control
·Before shipment testing and insurance
·Loading and shipment supervision