Profile

Founded in 1993, Grewin Industrial Group Co.,Ltd. has been a well-known manufacturing excellent performance winding machines together with associated production and technology.Grewin provide highly cost effective manufacturing solutions for the production of the wound components of all types such as transformers,chokes etc.

As a well-established company, we take great pride in our track record of over 28 years of high quality service to the coil winding industry.

We work closely with Southeast Asia, European,America,South America, Australia, New Zealand partners, to provide local sales, support and service assistance for coil winding machines.On this website you will find details of most of the major items of coil winding equipment that we offer.

Our extensive range of coil winding machines can produce small transformers (toroid and bobbin), large power distribution transformers, solenoids, sensor and speaker coils.

We also provide specialised equipment for dispensing insulation tape, coil taping and wire insulation stripping.

Our specialist engineers are experienced in all aspects of coil winding technology, and we can often provide innovative solutions to difficult coil winding problems.

Our Factory

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, EI coil, inductors and variable voltage transformers,as well as toroidal taping machines,turns tester.

Always aiming towards improving quality and performance a highly qualified research and design team and the most advanced manufacturing equipment secure a long life and dependability of all GREWIN machines. Many features of the equipments are covered by Chinese and foreign patents, contributing to its reputation for the highest productivity in today's tough work environment.

Top quality is assured according to the CE、IS09001 standard system.Products are subjected to a strict testing program before they 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 Southeast Asia and Europe and boosted sales in many other markets.

Our Product

Our products fall into two main categories：

1 .Winding machine;

2. Taping machine

3.EI Stacking Machine

4.Turns Tester

1.Winding machine includes：

● Toroid Winding Machine

● Automatic Winding Machine

● Parallel Winding Machine

● Coil winding machine

2.Taping machine includes：

● Automatic Taping Machine

● Toroid Taping Machine

● Rectangular Taping Machine

Product Application

The program includes machines for winding toroidal power transformers, current transformers, EI coil,bobbin coils, inductors,speaker coils and variable voltage transformers,as well as toroidal taping machines,turns tester.

Our Certificate

Production Equipment

CNC Milling Machine

CNC Grinding Machine

CNC Lathe

CNC Planer

Tapping

Guillotine Shear

Angle Bender

Drilling Machine

Burning Welder

Cutting Mach

Production Market

We work closely with Southeast Asia, European,America,South America, Australia, New Zealand partners, to provide local sales, support and service assistance for coil winding machines.

All products are designed by ourselves. To provide our customersthe excellent quality, the digital coil winding machine seriesand the digital toroid winding machine series have passed the European Standard CE testing.

Therefore, we believe only the continuouslystrict product quality control, high selling service /after-sales service and new product design can have a foothold on this moreand more competitive winding machine market.