Zhejiang Chengkang Machinery & Electrical Product Manufacture Co.,Ltd has passed UL, ETL, GS, CE and EMC international certification, meanwhile, our company has gained 7 categories of foreign design patents, 62 categories of Chinese design patents, and won the honour of national inspection-free products, Zhejiang patent demonstration enterprise, famous trademark in Zhejiang, famous brand in Zhejiang, Zhejiang high-tech enterprise, provincial high-tech enterprise. provincial research & development center, provincial small and medium technology center and many other honors.