1. Zhejiang WANYING Henghui thread Technology Co., Ltd. is located in Fenghua District, Ningbo, a beautiful port city. Founded in 2005, it is committed to the design and manufacture of high-strength, high-precision and difficult thread rolling flat dies and rollers. The predecessor of the company is "Yinxian Hengli thread tool factory", which was founded in 1993. Since its establishment, we have specialized in designing and manufacturing thread rolling flat and rollers. The company has more than 160 employees, covers an area of 50 mu, and has a production base with a building area of 26000 square meters. The company adopts ERP system management, has passed the ISO9001 quality management system certification, and has more than 10 utility model patents.

      More than 500 specifications are stocked in the warehouse

      It has a production base with building area of 26000 square meters

      The annual productivity is more than 100000 sets

      Product Display
      • Flat Thread Rolling Die

        Flat thread rolling die is a mould of processing external thread. Flat thread rolling dies are all made of two kinds of materials i.e. DC53 and high speed tool steel(SKH9). Threads are maded by rolling, grinding or milling. Flat thread rolling dies with precision class 1, 2 or 3 can be manufactured.

      • Cylindrical Thread Rolling Die

        Cylindrical thread rolling die is a mould of processing external thread. Cylindrical thread rolling dies are all made of three kinds of materials i.e. Cr12MoV, DC53, and high speed tool steel(SKH9). Threads are produced by rolling or grinding. Their precision class is 2, which suits to produce screws with precision class 4-6. Cylindrical thread rolling dies with precision class 1 can also be customized.

      Technical advantages

      Our company uses advanced thread processing technology and unique heat treatment technology , paying attention to introduce advanced manufacturing equipment and testing instruments with 7S management standards to guarantee the product quality which is perfectly match the rigorous requirement of clients.


      Contact us in the following ways

      So that we can provide you with the best help service


      地 址:浙江省宁波市奉化区西坞街道白杜

      邮 编:315505



      Oversea Marketing:Tony Wang



      娇妻跪趴高撅肥臀出白浆,精品国产污污免费网站入口,年轻漂亮的继拇2,国产沙发午睡系列99,丰满少妇被猛烈进入无码久久免费看少妇高潮A片18禁 亚洲精品色午夜无码专区日韩 国产毛A片啊久久久久久 被部长连续侵犯中文字幕 白袜校草被小混混脱裤玩J 亚洲熟妇AV一区二区三区漫画 最近中文字幕完整视频高清1 无码国产精成人午夜视频不卡 亚洲日韩乱码中文无码蜜桃臀 国产成人精品无码A区在线观看 强行打扑克又疼又叫哔哩哔哩 男人边吻奶边挵进去AV片无码免 丰满少妇被猛烈进入在线播放 女人被狂躁高潮啊的视频在线看 漂亮人妻裸睡被公侵犯电影 调教室捆绑白丝JK震动捧娇喘 上体育课课被捅了一节课渺渺 精品久久久一区二区三区 厨房掀起馊子裙子挺进去 成人毛片A级毛片免费观看网站 日本熟妇厨房XXXXX乱 久久ER99热精品一区二区 波多野42部无码喷潮 丰满熟妇大肉唇张开 国产免费AV片在线无码免费看 上司人妻互换HD无码中文 在教室伦流澡到高潮HNP 人人妻人人澡人人爽人人精品蜜桃 在线亚洲人成电影网站色WWW 做一次爱大概40分钟