We at Qingdao Tlead International are focused on the development of high-tech testing instruments especially for environmental protection and human health. Our most popular products include: pH Meters, TDS Meters, ORP Meters, EC/CF Meters, Thermometers, Tachometers and Refractometers. We also supply steel balls with the help of our partner factory, which mainly produces Carbon Steel Balls, Stainless Steel Balls and Chrome Steel Balls. And with our joint venture Paulownia factory, we are able to turn out up to 5,000 cubic meters of Paulownia wood products per year. This is one of the largest capacities in mainland China for boards furniture, doors, cabinets, packing boxes and more.