Chongqing WS Import and Export Co., LTD. is a manufacturer and trading company of voltage stabilizers, electrical transformers and ups uninterruptible power supply. Our company is a branch company of Shenzhen Shenkangzheng S&T Co., Ltd., and we are responsible for marketing and selling, while our head office is in charge of manufacturing.Our head office, Shenzhen Shenkangzheng S&T has been producing voltage stabilizers, electrical transformers and ups uninterruptible power supply for more than 20 years. The products have been approved by CE, FCC, LVD, EMC and RoHS, and they have been sold to more than 60 countries and areas in the world. Each year, there are thousands customers visiting our factory. We have already set up long term partnership with many companies in the world.Our company is offering free customization service, including specifications and label customization, OEM and ODM services. Normally we can deliver to almost every country worldwide and we ship the order within 5-7 working days. For each product, we are supplying 2 years quality warranty, and you will have NO Worries about after sales service.We are looking forward to doing business with you, and welcome to our factory!