Founded in 2001, Sino Tools Co., Ltd. is located in High & New Technology Development Zone, Zhengzhou, with a total area of more than 532, 800 square meters. The company specializes in researching and manufacturing raw / supplementary materials of diamonds, monocrystal diamonds, diamond tools and diamond synthesis equipment. Up to now, the company has developed into a leading company of diamond products with 1, 500 employees. We pay much attention to technology progress and new product development. We are a national level technical center and national laboratory. The company also attained ISO9001 certification. Our company is devoted to developing raw / supplementary materials of diamonds, monocrystal diamonds, diamond tools and diamond synthesis equipment. We assure that our customers can get good quality products and the best service.