MUST Energy Group Limited is an innovative high technology company specializing in R&D, manufacturing, and marketing of photovoltaic (PV) inverters, Inverter, Solar charge controllers, solar batteries, and some other related Solar products. Our innovative solutions for all photovoltaic applications and our unsurpassed service offer our customers worldwide greater independence in meeting their energy needs.MUST Energy Group Limited established in 1998, with the headquarter in Hongkong. Our products have passed SAA, CE, SONCAP certificate, and ISO9001 quality certificate. We are one of the authorized suppliers for the China Government.Production ability From now we have 10,000 square meters of the production line. Over 260 workers produced 6 million pieces of machines each year. Sales volume US$100 million focus on solar products.After-sales services 24 Hours After-service consultancy just for you and to make your problems to solve easily.We are gradually building our maintenance service center in the world.