40A, 50A, 60A, 80A, 90A high efficiency PWM solar charge controller

HOLLEYINTL, is a top-brand enterprise in China, is a professional diversified operating company specializing in international trade and overseas projects. We have been engaged in export and import of utility meters, new energy and natural resource products as well as overseas engineering EPC and investment. Meanwhile, our company is also the inverter,controller manufacturer; PV system integrator and photovoltaic power plant investment operator. 

We actively carrying out the internationalization strategy and extending the domestic and overseas markets, have made great progress in the field of new energy and completed a number of photovoltaic system projects in Ethiopia, Uganda, Palestine as well as other countries, and initially formed the core competence both in PV system integration capabilities and customer service network. 

As one of our global strategies, we are aiming to be an global excellent integrated expert in new energy field. We specialize in providing design, supply, installation, commissioning, after-sales service and project finance support of overseas new energy projects and our products have been spread all over Africa, Asia and South America.