Our company supply the products are as follows: Chengdu Jia Ling JP6C-T9 series of high-performance digital converter, J9ZN series of intelligent energy-saving drive, JP6C-Z9B2 series of high performance frequency converter, IGBT inverter direct pressure, NKB series of central air-conditioning special inverter, API series automatic constant pressure (level, flow) control devices, KA series of sine wave power supply. We also agents: Japan Mitsubishi Inverter, Fuji, Delta, Siemens, etc., instruments for customers to purchase If necessary, please contact us. Contact: Zhu Yanchun Zou Xiaofei 13,213,059,809 13,838,350,271.