Dongguan Hong Tu Instrument Information Co., Ltd., is specialized in developing and producing helmet impact testing machines and Photovoltaic Modules Testing Machines . Hong Tu was initially founded in Taiwan area and built the first factory in Mainland China in 2004. We have firm connections and full cooperation with China's National Third-Party Quality Inspection and Notarization Center on producing and developing high-precision testing machines according to ECE, EN, DOT, SNELL, GB, AS, JIS and other standards. Our main products include PV Hail Test Instrument, shock absorption testing machines, testing line and impact point locating laser tables, chin strap testing machines, penetration testing machines, roll-off testing machines, head forms, high velocity ballistic cannons, light diffusion testing machines, sand abrading machines, refractive powers, off-lens testing machines, light transmission testing machines, fogging ocular testing machines, and ignition testing machines. We can also help you with designing and producing testing machines on areas such as carton package, shoe leather, rubber and plastic material and many more products the quality of which is needed to be tested. We treasure the value of good quality, reasonable prices and efficient service with total customer satisfaction. We make ourselves expert in providing our customers with the best suitable testing designs and high quality testing machines to make you the utmost profits. Please feel free to contact us for any inquiries for our wide range of products