Shanghai WTL Welding Equipment Manufacture Co., Ltd is a high-tech enterprise specialized in manufacturing and sales of inverter welding equipment. Our company was established in 1993, locates in Pudong New Area (Shanghai) and covers an approximate area of 25,000 m2 with a production capacity of 300,000 units per year. Currently we employ more than 300 people with excellent expertise and passion, including over 30 personnel with master's degrees or higher and senior engineers, as well as more than 20 individuals with intermediate professional titles, technicians account for over 20% of our total workforce. Thanks to the unwavering efforts of all staff over three decades, the company has grown into one of the largest manufacturers of inverter welding machines in China, encompassing three subsidiaries: Nanjing WTL Welding Equipment Co., Ltd, Tianjin Northern WTL Welding Equipment Trading Co., Ltd, and Shanghai WTL Automation Co., Ltd.
WTL has fully obtained ISO9001: 2015 certification, and all of our products are conformed to CCC, CE, CSA,EMC and RoHS standards. The company owns possess an R&D center with independent intellectual property rights, recognized by Pudong New Area in Shanghai. With multiple national patents in our portfolio, we have also received innovation fund support from the Ministry of Science and Technology. Leveraging our expertise in inverter power supply technology, our digital microcomputer welding machines have garnered recognition from the Shanghai Science and Technology Commission. To date, we hold 12 invention patents, 17 utility model and design patents, as well as 2 software copyrights.
Our products are widely used in industries such as shipyards, petrochemicals, chemicals, machinery, boilers, pressure vessels, electrical and chemical construction, automobiles, bicycles, steel structures, military, and more. With fifteen branches and over thirty agents across China, we have established a comprehensive and effective pre-sale, in-sale, and after-sale service network. Our products are widely recognized and appreciated by both domestic and overseas customers.