We take "customer-friendly, quality-oriented, integrative, innovative" as objectives. "Truth and honesty" is our management ideal for Designing a Device for Measuring Human Reaction Time, Speed Of Light, Interference, Optical Image Addition And Subtraction,Sound Speedultrasonic Range. All products come with good quality and perfect after-sales services. Market-oriented and customer-oriented are what we have been being after. Sincerely look forward to Win-Win cooperation ! The product will supply to all over the world, such as Europe, America, Australia,Wellington, Sudan,Malawi, Albania.Our company now has many department, and there have more than 20 employees in our company. We set up sales shop, show room, and product warehouse. In the meantime, we registered our own brand. We've got tightened inspection for quality of product.