“通石达”为TOOLSTAR音译，全名为长沙通石达机械制造有限公司或长沙百川超硬材料工具有限公司，是一家集科、工、贸于一体的高科技民营企业，专业生产“通石达”金刚石绳锯，主要产品包括：钢筋混凝土切割绳锯、矿山开采绳锯、荒料整形绳锯、异形加工绳锯、大板切割组合绳锯和各种规格的串珠及配件。

公司产品远销印度、俄罗斯、乌克兰、埃及、美国及欧洲、中东等国家和地区，获得客户的一致好评。公司拥有一支优秀的金刚石工具科研队伍，长期专致于金刚石绳锯的技术研究，积累了丰富的产品制造经验，建立了庞大的配方数据库，能针对不同的客户要求及切割条件设计科学的产品，并持续创新绳锯的制造技术，拓展绳锯的使用用途，致力于解决客户的技术难题。2008年，为满足广大客户的需求，成立了长沙通石达机械制造有限公司，专注于石材矿山开采技术的研究、推广，培养了一支具备丰富经验的石材机械设计、制造、销售及售后服务队伍，生产的“通石达”牌绳锯机系列产品凭借其先进的技术、稳定的质量享誉国内及国际市场。

"TONGSHI DA" is transliterate from TOOLSTAR, the full-name of the company is CHANGSHA TOOLSTAR MACHINERY MANUFACTURING CO.,LTD OR CHANGSHA BAICHUAN SUPERHARD MATERIAL TOOLS CO.,LTD, It is a high-tech enterprise operated privately on research, production and trade for diamond wire-saws named “ TOOLSTAR ”. Our main products are diamond wire-saws for reinforced concrete cutting, quarries,block squaring, profiling, multi-wire machines and the specifically designed diamond beads,etc. We export our products with both excellent quality and reasonable price to India , Russia, Ukraine, Egypt, the USA, and Europe, Middle East etc, and we enjoy great feedback　from our clients.

Our company has a first-rate organization for the research and manufacture of diamond wire-saws. We have spent much time and labor on the techno-research of diamond wire-saws, having accumulated a rich experience and established a huge database. We can provide the most suitable products for our clients based upon their specific requirements and cutting applications. We will try our best to continue to innovate in our techniques, to increase the uses and to pay more particular attention to resolving clients' technical difficulties.

Changsha Toolstar Machinery Manufacturing Co.,Ltd is a professional enterprise specializing in developing ,manufacturing and selling diamond wire sawing machines and other stone cutting equipment.From the very beginning of establishment,we concentrate on the research and popularization of quarrying technology, and on the development and application of diamond wire sawing machines and other stone cutting equipment. We have set up an experienced team to design, manufacture, sell our products and provide the best afterservice.The Toolstar series products are getting more and more popular with technical advantages and high quality on the domestic and overseas market.