the products have awarded UL,ENEC,YUV,CCC and other national secruity regulatory certification and RoHS environment certification,the products are widely used on generators,UPS power,electric tools,toys,large complete sets of equipment,plug sockets and other equipments
Topstone Corp. Is manufacturer of electronic device, which produces supplementary Protector, electronic-Hybrid protector, all series of electronic switch, micro switch, socket and so on.
The products have awarded UL, ENEC, TUV, CCC and other national secruity regulatory certifications and RoHS enviromental certification, the products are widely used on generators, UPS power, electric tools, toys, large complete sets of equipment, plug sockets and other equipments.
"high quality, honesty, innovative product, and beyond urselves" is always the business objective of the company. Our guiding principle is the efficient service following with sales and better products with competitive price.
Earmestly hope new and old custoners seek development with me and build collaboration, sincerely welcome your patronage, Topstone corp is your wise choice
