Main products include: 304/316 / 316L GB (GB) / German standard (DIN) / Japanese standard (JIS), such as stainless steel screws series: cup head (DIN912), flat glass (DIN7991), round cup (ISO7380), machine meters (DIN916, DIN915, DIN914), a Cypriot (ISO7379), glottal (PT, NPT, PG) hex head bolts (GB5783, GB5782), hex nuts (GB6170 Jining stainless steel nuts, DIN934, etc.), studs, miniature electronic screws, threaded rods, flat washers, spring rings, pins, keys, thread jacket and so on. Austenitic stainless steel and carbon steel nuts compared to Zibo, has the following characteristics: 1) high electric shade rate of about 5 times carbon steel. 2) large linear expansion coefficient Tai'an stainless steel nuts, 40% larger than the carbon steel nuts, and as the temperature rises, the numerical coefficient of linear expansion of stainless steel screws also increased accordingly. 3) low thermal conductivity, about 1/3 of carbon steel. Binzhou stainless steel nuts | Daoqin commerce (certified) | stainless steel nuts provided by Jinan Daoqin Trading Company. Jinan Daoqin Trading Company (daoqinshangmao.com) Shandong Jinan, hardware accessories leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Daoqin commerce leadership with the staff warmly welcome all inquiries negotiations to create a better trade Daoqin future.