3. Technical docking: Non wet process, without any acid ions; CVD process: gallium and hydrogen sulfide gas chemical vapor deposition:

4. Inspection: ICP-MS (99.99% purity: all impurity elements are lower than 100ppm);

      XRD: (main peak completely symmetrical);

      SEM: (scanning electron microscopy);

5. Service: Provide MSDS and practical protective measures (when customers accidentally inhale, we will provide you with the most effective solution as soon as possible); Provide application solutions for materials;

6. Application: Semiconductor industry, copper indium gallium sulfur thin film solar cells;