Yixing Tengfei Oil Fractaring Proppant Co., Ltd.,established as a senior enterprise in 2010, is located in Yixing City beside the Taihu Lake with beautiful scenery and convenient transportation. Our company covers an area of 40,000 square meters, and has more than 220 employees and 36 technicians. Our company is equipped with a diameter of 3.5 * 48m rotary kiln, a diameter of 2.6 * 36m rotary kiln, and corresponding supporting semi-automatic production lines. Our annually production capability can reach 100,000MT. We use natural gas calcining process, and have our quality assurance system and automatic control systems including dust removal devices. This equipment can not only reduce emissions but also improve quality and stability. Our products include low-density & medium-density ultra-strength oil fracturing proppant. Because of their good performance, our products are widely used