Halogen-free special tungsten screw cylinder (tungsten content of 36%) Screw set screw (Japan DAC / DC53 fully hardened metal-plated screw-tech nano-coating) DAC Japanese high-tech nanoscale metal plating after coating: ◎ high hardness ...... ...... more wear life extension ◇ Hardness: 3300HV ◎ --- low surface friction coefficient decreases resistance NSL, anti-stick ◇ friction coefficient: 0.12VSNi ◎ can be high temperature ...... (high temperature in a vacuum coating form) ◇ maximum working temperature high-pressure environment: 580 ℃ ◎ thickness of only 2-4μ ...... more uniform film thickness (penetration into the substrate, the substrate binding molecule) ◇ good adhesion ◎ ...... more smooth and delicate mirror ornaments grain (and corrosion resistant metal elements including titanium, chromium) ◇ better corrosion resistance Shenzhen City Keihin Trading Company, founded in 2002, it is a professional agent in Japan LUBE, Japan THK, Japan NSK, Japan Molykote (MOLYKOTE) German Krupp (KLUBER), Kanto Chemical (Kanto), the Japanese oil gun products. Further application NSL metal outlets, the development of human civilization history has played an important role. NSL metal products sales, appear in every corner of economic life, political life and military activities. As Yongkang, since ancient times was called "Baigong village", it is a long history of hardware handicraft. Since the beginning of the Southern Song Dynasty, there Yongkang coppersmiths, blacksmiths travel extensively, go to work, long "metal craftsmen to go four, the prefectural government leave Kang County," said history. NSL sales, Keihin commerce, Jiangmen NSL is supplied by Shenzhen Keihin Trading Company. Shenzhen City Keihin Trading Company (szjingbing.com/) located in Bao'an District, Shenzhen Shiyan Street Business Building, Room 506, 3-1 with Sunny Ann Tin Sum Avenue. Scraps and development in the wave of market economy, the current Keihin-commerce has a high profile in the lubricating oil (fat), and enjoy a good reputation. Keihin-commerce business alliance has made the entire network certification, marking our service and management level has reached a new height. Keihin Trading staff willing to work with all people of insight and common development, for a better future.