144 Half Cells Solar Panel 144 Half Cells Solar Panel Manufacturers | Oushang Solar Oushang Solar is one of the top photovoltaic module manufacturers in China and has been engaged in the development, production and sales of solar module products for many years. We use strict production technology and quality control system to ensure the perfect quality of manufactured products. Our reliable solar panels have been proven to work in different climates and environments around the world. Over 20GW have been shipped to Africa, Europe, Central America, Middle East, Southeast Asia. Quality inspection follows ISO9001 standard. Our solar module products have passed TUV, SGS, CE, SONCAP, CQC tests. Our factory has passed Intertek inspection.