15 kw off grid solar system Wenzhou Xihe Electric Co.,LTD. is an expert when it comes to the production of quality 15 kw off grid solar system. We are ISO 9001-compliant and have quality assurance systems conforming to this international standard. We maintain high levels of product quality and ensure proper management of each department such as development, procurement and production. We are also improving quality in the selection of suppliers.
Fangpusun 15 kw off grid solar system During the production of 15 kw off grid solar system, Wenzhou Xihe Electric Co.,LTD. divides the quality control process into four inspection stages. 1. We check all incoming raw materials before usage. 2. We perform inspections during the manufacturing process and all manufacturing data are recorded for future reference. 3. We check the finished product according to the quality standards. 4. Our QC team will randomly check in the warehouse before shipment. inverter 4000,2400w inverter,inverter 12v to 220v 5000w.