6 YEARS EXPERIENCE , 15 DAYS LEAD TIME , PROMISE 15 YEARS USING LIFE .UPDATE YOUR LIFE . HK Sunbird solar industrial co.,ltd is one of the leading and professional manufacturer of solar energy . The factory is located in the North of China , shenyang , the capital of Liaoning province, established as a leader in its fild . covering about 20,000m2 with convenient traffic. It has realized mechanization in production with good technology and advanced facilities.