Shanghai Naao Electrical Technology Co., Ltd. is the department of Tangwang welding equipment Co., Ltd., Tangwang Welding was started in 1984 and is a professional manufacturer specialized in inverter welding and a high-tech company focusing on the R&D, manufacture, sale and service of high-end equipment.



Based on the principle of "quality first, continuous innovation and steady development", we have strong technical strength, advanced production technology, strong sales ability and high-quality management teams. "Making every customer pleasantly...