GREWIN INDUSTRIAL GROUP CO., LTD is a leading manufacturer of toroidal coil winding equipment. the program includes machines for winding toroidal power transformers, current transformers, El coil, inductors and variable voltage transtomers, as well as toroidal taping machines, toroidal winding / tansformer tester.

Always aliming towards improving quality and performance a highly qualifted research and design team and the most advanced manufactuning equipment secure a long life and dependability of all GREWIN products, Many features of the equipment are covered by Chinese and foreign palents. Contributing to it' s reputation for the highest productivity in today' s tough work environment

Top quality is assured according to the IEC. ISO 9001 standard system, Products are subjected to a strict testing program beforethey are released to customers, and we offer an extensive warranty and after sales service including easy access to replacement parts; directly or through our network of distributors. Excellent service has helped make our products known all over Southeat Asia and Europe and boosted sales in many other markets.