Haihong Threading Tools Co., Ltd. (Haihong) based in Changzhou (China) was founded in 1995 by the senior engineer and factory director-in-chief Quan-Shen Zhang, who worked for a Shanghai-based standard parts tools factory. Haihong is specialized in manufacture and sales of high-end threading tools and related thread rolling dies. As one of the largest manufacturers and suppliers of thread rolling dies in China, Haihong is capable of producing nearly 20,000 sets of thread rolling dies per year. Its products are mainly sold and exported – See more at: http://www.fastener-world.com.tw/new/news_detail.php?id=4491&lang=en#sthash.sFmWzUAW.dpuf
Haihong Threading Tools Co., Ltd. (Haihong) based in Changzhou (China) was founded in 1995 by the senior engineer and factory director-in-chief Quan-Shen Zhang, who worked for a Shanghai-based standard parts tools factory. Haihong is specialized in manufacture and sales of high-end threading tools and related thread rolling dies. As one of the largest manufacturers and suppliers of thread rolling dies in China, Haihong is capable of producing nearly 20,000 sets of thread rolling dies per year. Its products are mainly sold and exported – See more at: http://www.fastener-world.com.tw/new/news_detail.php?id=4491&lang=en#sthash.sFmWzUAW.dpuf