VST mainly consists of electronic clock and LCD clock, our products are sold all over the world, mainly Russia, Ukraine, Almaty, etc. Poland, Korea, etc. VST has filed a \"VST\" trademark with 78 member countries in Madrid, and VST has more than 60 registered \"VST\" Chinese design patents. In the competitive market economy, VST creates its own brand market. VST insists on survival and development with high quality products, competitive price and high quality service.