With a powerful R&D department which has more than 50 engineers we have got over 200 patents for our self-developed products and obtained ISO9001 quality management system certification, China energy saving certification, SGS, CB, CE, ROHS, TUV and some other certificates. In addition, we have one excellent QC team to ensure the goods quality. Our products have been exported to many countries and regions as South America, North America, Africa, Mid-east, South East Asia. Dedicated toa strict quality control and thoughtful customer service, our experienced staff members are always available to discuss your requirements and ensure full customer satisfaction.