1.The technique is safe and credible
2. There is no infection and pain in treating diseases.
3. It is convenient for operator and easy to accept.
4. It has extensive indications, limited contraindications.
5. It can be used not only for hospital but also more suitable for family.
6. It can Withstand a high temperature of 250 °C.
7. High quality&competitive price 8. Non-toxic, harmless, durable