Changzhou Chuangjie Lightning Protection Electronics Co., Ltd., Xi Anxi Porcelain Industry and Sichuan Zhongguang are also good.
The selection of arrester mainly includes the following aspects: 1\ operating conditions, such as pollution level; 2\ Continuous working voltage of lightning arrester relative to the ground; 3\ Rated voltage of grounding arrester; 4\ Power frequency withstand voltage time characteristics; 5\ Lightning discharge current; 6\ Long-term discharge ability; 7\ Insulation matching coefficient; 8\ Pressure release grade
If you don't know the model, understand the use of lightning arrester, other requirements and restrictions, tell the manufacturer that he will provide the product model. A certain model represents a certain technical parameter and is fixed. If you have a model, you can find information and compare prices online.