Guangdong Hongzhan Technology Co. , LTD. IS COMMITTED TO ENVIRONMENTAL RELIABILITY TESTING EQUIPMENT R & D, Manufacturing and Sales; Products include: High and low temperature humid heat test box, rapid temperature cycling test box, temperature impact test box, temperature and humidity vibration three comprehensive test box, step-in environmental test box, high and low temperature and low pressure test box, precision oven, non-standard environmental test equipment customized products; Each year, the company produces and sells nearly one thond environmental test equipment. The company has many sales and maintenance service centers all over China.