Tianjin Grewin Technology Co., Ltd. is a manufacturer of toroidal
transformer, EI class 2 transformer, current transformer, split
core CT,electronic transformer etc. We have obtained ISO, CE, VDE
and RoHS approvals.
Our company has many advantages, so we can be your honesty and
1) We can supply goods in required shipment date.
2) We'll seriously take each enquiry from our customers. Quick
reply and quote in time!
3) We can design products according to your special needs.
4) We cooperate with customers in Italy, Spain, America, with OEM
or ODM service and we have many years' rich export service
We sincerely welcome you to contact us to define your needs and we
can develop a plan to accomplish your goals.